Chemistry in our wonderful world
Download as PPT, PDF2 likes272 views
The document discusses different types of matter and changes that matter can undergo. It defines matter as anything that has mass and takes up space. Pure substances like elements and compounds are uniform throughout, while mixtures contain two or more substances blended together either homogeneously or heterogeneously. Changes to matter can be physical, involving only changes in form or structure, or chemical, where the substances themselves are altered into new substances with different properties. Examples of physical changes given are cutting apples and splitting water, while chemical changes include burning fuel and baking bread.
1 of 20
Download to read offline
Recommended
Chemistry around us!
Chemistry around us!neesarea
油
Matter is anything that has mass and volume. Examples of matter include a Hello Kitty toy and a window shelf. Light is an example of something that is not matter since it has no mass or volume. A pure substance has a fixed chemical composition, such as water. An element is made of only one type of atom, like silver. A compound is made of two or more different types of atoms bonded together, such as orange juice. A mixture maintains the original properties of its substances and can be either homogeneous, like corn syrup, or heterogeneous, like oil and juice.The Matter
The Matterjacobo durango echeverri
油
This document provides an overview of chemistry, including what it is, different types of chemistry, the scientific method, matter and its properties, energy, and chemical reactions. It defines chemistry as the study of matter, its composition and properties. It describes the major branches of chemistry and explains key concepts like the scientific method, states of matter, physical and chemical properties, and the conservation of mass and energy in chemical changes.Matter by Samuel
Matter by Samuelandare2
油
Matter can be classified into solids, liquids, and gases based on its physical properties. Solids have a definite shape and volume, liquids have a definite volume but no definite shape, and gases have no definite shape or volume. There are also two types of changes that matter can undergo - physical changes which alter the appearance of a substance without changing its chemical composition, and chemical changes which create new substances. Mixtures can be either heterogeneous, where the different substances can be easily seen, or homogeneous, where the substances are evenly distributed and not visible. Natural materials come from nature, plants, animals or minerals, while manufactured materials are made by transforming natural materials in a production process. It is important to reduce waste and reuse materialsWhat Are Chemical Changes In Matter 1
What Are Chemical Changes In Matter 1Shannon
油
There are two types of properties that describe substances: physical properties and chemical properties. Physical properties involve the substance itself and include characteristics like color, size, and state of matter. Chemical properties involve how a substance interacts with other substances through chemical reactions. A chemical change results in one or more new substances forming through a chemical reaction. Compounds are substances made up of two or more elements that have chemically combined. There are clues that indicate a chemical change has occurred, such as gas bubbles, color changes, smells, or new properties forming in the substance. The law of conservation of mass states that the mass of products equals the mass of reactants in a chemical reaction.Science 
Science gabrielburson
油
This document defines and provides examples of key chemistry concepts including mixtures, elements, compounds, alloys, colloids, solutions, distillation, filtration, evaporation, flammability, reactivity, and chemical changes. It also asks questions to test understanding of these concepts.Pure substances
Pure substancesDanielDowding
油
Pure substances have a fixed, uniform structure and composition throughout. They cannot be separated into other components and have definite physical properties like melting and boiling points. Mixtures contain two or more substances mixed together without a fixed structure or composition. Homogeneous mixtures like salt water are uniform throughout, while heterogeneous mixtures like sand and water are non-uniform with different components settling in separate layers. Aqueous solutions use water as the solvent, while non-aqueous solutions use solvents other than water. The solubility of solids in liquids generally increases with temperature as higher temperatures provide more energy to overcome intermolecular forces.Biology mixture 
Biology mixture M, Michelle Jeannite
油
1. The document discusses different types of matter including pure substances, elements, compounds, and mixtures.
2. Mixtures can be either homogeneous, consisting of evenly mixed components, or heterogeneous, consisting of unevenly mixed components.
3. Common types of mixtures are solutions, which are homogeneous, and suspensions, which are heterogeneous and can separate out over time.Science matter powerpoint
Science matter powerpointsuzypomerantz
油
This document discusses the differences between pure substances and mixtures. Pure substances are either elements or compounds, while mixtures contain two or more substances mixed together. Compounds are formed by a chemical change and can be broken down, while elements are simplest forms that cannot be broken down further. Mixtures can be either homogeneous, with substances evenly mixed together like solutions, or heterogeneous with distinct parts like suspensions. Common separation methods for mixtures include distillation, filtration, and evaporation which separate substances based on properties like boiling points or particle size. Chemical changes can be identified by a change in color, production of a gas, or formation of a precipitate.Orange_2_Presentacion_V2
Orange_2_Presentacion_V2FUNDACIN UNIVERSIDAD EMPRESA
油
The document discusses the principle of using objective criteria in negotiations when interests are directly opposed. It recommends framing issues as a joint search for criteria independent of will, using reasoning and being open to reason. Criteria should be standards all parties agree are fair, such as market rates. The goal is reaching agreements easier while preserving relationships.Samsung WB2000
Samsung WB2000electroview
油
The document summarizes the Samsung WB2000 digital camera. It has a 10.2 megapixel backside illuminated CMOS sensor that allows for good low light performance and 10 frames per second burst shooting. Key features include full HD video recording, slow motion video at 1000 fps, and panoramic photo modes. While it has many advanced features, its maximum aperture of F2.8 is slower than competitors like the Canon S90 and Panasonic LX3. The WB2000 is a capable camera but faces stiff competition from other advanced compact cameras.Youth United Way Application
Youth United Way ApplicationSummer Gill
油
The document describes the United Way's Youth United Way program, which aims to develop leadership skills in local youth and involve them in community change efforts. As part of the program, juniors and seniors in high school can volunteer and serve as leaders, participating in meetings, fundraisers, and other initiatives. The deadline to apply for the 2010-2011 school year is May 7, 2010. Applicants must be entering their junior year with a GPA of at least 2.5 and demonstrate responsibility and motivation to make a difference in their community.Nx10 digitalcamerareview
Nx10 digitalcamerareviewelectroview
油
The Samsung NX10 is Samsung's first mirrorless interchangeable lens camera that departs from their previous partnership with Pentax to re-badge DSLR cameras. The NX10 uses a 14.6 megapixel APS-C sensor but in a smaller body without a mirror box. It has a built-in electronic viewfinder and 3-inch AMOLED display. When initially released, Samsung offered a lineup of 3 lenses - a 30mm pancake, 18-55mm zoom, and 50-200mm zoom. The camera can shoot video in 720p HD and has face detection and sensor cleaning features.
1914 to present
1914 to presentemmawhap
油
World War I was significantly larger in scale than previous wars, involving more countries from around the world and resulting in unprecedented casualties of over 15 million. The mobilization of total war engaged entire populations and economies in a way that deeply impacted societies and laid the seeds for conflicts after the war. The Treaty of Versailles imposed punitive terms on Germany, contributing to tensions. The Cold War emerged from ideological differences between communist and democratic forms of government, dividing Europe and much of the world between Western and Soviet spheres of influence and raising fears of nuclear conflict for decades. The United Nations was formed with the aim of preventing future wars and promoting international cooperation.Espn wsummit blogpdf
Espn wsummit blogpdfEmma Cookson
油
The document discusses themes and ideas for advancing women's sports over the next 40 years. It notes some achievements since Title IX, but that women's sports still lag far behind men's in areas like media coverage, salaries, and search popularity. It argues the key is spurring more passionate female fandom through storytelling that helps fans feel like they know the athletes as people. Telling athletes' life stories and backgrounds could engage more women fans in the same way celebrity magazines do. Harnessing star power and compelling personalities that stimulate attention and discussion will also be important to growing interest in women's sports.
Productos referentes tallerYocelyn
油
Este documento presenta varios productos de artesan鱈a y alimentos chilenos que representan la identidad cultural de Chile. Incluye descripciones breves de cester鱈a mapuche, alfombras tejidas a mano, juegos de greda para sushi, especias y aceites de oliva mapuches, miel chilena de diversos 叩rboles nativos, aceite de canola, nueces tostadas nativas y dulce de leche de cabra. Todos estos art鱈culos resaltan tradiciones y productos 炭nicos de Chile.Enterprise & Transcoimmunication
Enterprise & TranscoimmunicationFUNDACIN UNIVERSIDAD EMPRESA
油
This document discusses communication skills and leadership. It identifies the objectives of the first chapter as developing communication skills, behaviors for change, and codes for team management. It discusses defining qualities of a leader such as listening, inspiring trust, being visionary, and not criticizing others. It also includes links to videos about communication and an interview with the President of Israel, Shimon Peres, discussing his career in Israeli politics.Jia-Bin Huang's Curriculum Vitae
Jia-Bin Huang's Curriculum VitaeJia-Bin Huang
油
Here is my updated CV using the ModernCV template (http://www.latextemplates.com/template/moderncv-cv-and-cover-letter).
You can find the Tex source file in (https://dl.dropbox.com/u/2810224/Homepage/resume/modern%20style.rar)Confirmation 9 done
Confirmation 9 doneAmazing Grace Lutheran Church, Panama City
油
God created the entire universe, including the earth and everything in it, in just six days through the power of his spoken word. He formed the first man and woman in his image to rule over his creation. God uniquely created each person and knit them together in their mother's womb. The theory of evolution is rejected because its proponents deliberately deny what the Bible clearly teaches about creation and instead follow their own desires. True understanding of origins can only come by faith in God's revelation.Debugging Tips and Tricks - iOS Conf Singapore 2015
Debugging Tips and Tricks - iOS Conf Singapore 2015Fahim Farook
油
The slides from the presentation I did at iOS Conf 2015 in Singapore on October 24th. The presentation deals with tips and tricks for debugging iOS applications.10 04 19 At Large Regional Meeting
10 04 19 At Large Regional MeetingVirginia Economic Bridge
油
The document summarizes the agenda and goals of the Virginia Economic Bridge (VEB) Regional Board of Directors meeting. VEB is a nonprofit organization that promotes economic development in Virginia through partnerships between different regions. Its mission is to advocate for shared economic development visions and partnerships between Southwest Virginia, Northern Virginia, and other regions. The meeting agenda discusses VEB messaging, public-private partnerships and programs, and board recruitment. It provides an overview of VEB's activities, including strategic research, information technology, marketing, and initiatives focused on research, recruitment and retention to create jobs and economic development.
Make Eumora Your source of income
Make Eumora Your source of incomeguest261526
油
The Product are very popular among women due to its effectiveness in restoring the bad skin, oil skin, skin pores, rashes, increase the breast size, etc.
Conociendo el aula virtual y el correo estudiantilKevin Bermudez
油
Este documento fornece instru巽探es passo a passo sobre como usar as ferramentas de uma aula virtual, incluindo como atualizar informa巽探es pessoais, participar de f坦runs, enviar mensagens e documentos, configurar e-mail, criar grupos e documentos no Google Docs.Final Portfolio and Self Evaluation Denise Clarke-Hang
Final Portfolio and Self Evaluation Denise Clarke-Hangguest733717f
油
This document is Denise Clarke-Hang's multicultural advising portfolio. It outlines her background working as a program director advising diverse students at a Catholic health academy. Her goal is to better understand students' cultural backgrounds to provide effective advising. She discusses her own culturally blended family, with her husband from Vietnam and their children. She also reflects on gaining awareness of her own privilege as a white woman from an upper-middle class background, compared to her husband's experiences facing discrimination. The portfolio provides evidence of her operational definition of advising, personal background, awareness of privilege, advising self-awareness, considerations for specific student populations, the importance of retention, incorporating multicultural aspects into academic curricula,Setting the stage for PS Engage 2012
Setting the stage for PS Engage 2012Thom Kearney
油
The document discusses the need for public service renewal and innovation to better serve Canadians. It notes that the status quo is not an option and new approaches are needed. The document suggests that by coming together, learning from each other, and challenging conventions, progress can be made on building a renewed public service through open dialogue and collaborative leadership across organizational boundaries.Chemistry Is Everywhere!
Chemistry Is Everywhere!tigger235
油
Tiger's 7th grade chemisty photo 7 Dalian Maple Leaf Foreign Nationals School Ms.Wolfenden and Mr.ArcaMatter
MatterJesuites_Poble_Sec
油
Matter can be summarized as follows:
Matter is anything that occupies space and has mass. It exists in three states - solid, liquid, and gas. Matter changes between these states through processes like fusion, condensation, evaporation, and solidification. Matter can be classified as pure substances or mixtures. Mixtures contain more than one substance and can be separated using methods like evaporation, distillation, filtration, and decantation. Changes to matter can be physical, changing its shape or size, or chemical, changing its composition.More Related Content
Viewers also liked (20)
Orange_2_Presentacion_V2
Orange_2_Presentacion_V2FUNDACIN UNIVERSIDAD EMPRESA
油
The document discusses the principle of using objective criteria in negotiations when interests are directly opposed. It recommends framing issues as a joint search for criteria independent of will, using reasoning and being open to reason. Criteria should be standards all parties agree are fair, such as market rates. The goal is reaching agreements easier while preserving relationships.Samsung WB2000
Samsung WB2000electroview
油
The document summarizes the Samsung WB2000 digital camera. It has a 10.2 megapixel backside illuminated CMOS sensor that allows for good low light performance and 10 frames per second burst shooting. Key features include full HD video recording, slow motion video at 1000 fps, and panoramic photo modes. While it has many advanced features, its maximum aperture of F2.8 is slower than competitors like the Canon S90 and Panasonic LX3. The WB2000 is a capable camera but faces stiff competition from other advanced compact cameras.Youth United Way Application
Youth United Way ApplicationSummer Gill
油
The document describes the United Way's Youth United Way program, which aims to develop leadership skills in local youth and involve them in community change efforts. As part of the program, juniors and seniors in high school can volunteer and serve as leaders, participating in meetings, fundraisers, and other initiatives. The deadline to apply for the 2010-2011 school year is May 7, 2010. Applicants must be entering their junior year with a GPA of at least 2.5 and demonstrate responsibility and motivation to make a difference in their community.Nx10 digitalcamerareview
Nx10 digitalcamerareviewelectroview
油
The Samsung NX10 is Samsung's first mirrorless interchangeable lens camera that departs from their previous partnership with Pentax to re-badge DSLR cameras. The NX10 uses a 14.6 megapixel APS-C sensor but in a smaller body without a mirror box. It has a built-in electronic viewfinder and 3-inch AMOLED display. When initially released, Samsung offered a lineup of 3 lenses - a 30mm pancake, 18-55mm zoom, and 50-200mm zoom. The camera can shoot video in 720p HD and has face detection and sensor cleaning features.1914 to present
1914 to presentemmawhap
油
World War I was significantly larger in scale than previous wars, involving more countries from around the world and resulting in unprecedented casualties of over 15 million. The mobilization of total war engaged entire populations and economies in a way that deeply impacted societies and laid the seeds for conflicts after the war. The Treaty of Versailles imposed punitive terms on Germany, contributing to tensions. The Cold War emerged from ideological differences between communist and democratic forms of government, dividing Europe and much of the world between Western and Soviet spheres of influence and raising fears of nuclear conflict for decades. The United Nations was formed with the aim of preventing future wars and promoting international cooperation.Espn wsummit blogpdf
Espn wsummit blogpdfEmma Cookson
油
The document discusses themes and ideas for advancing women's sports over the next 40 years. It notes some achievements since Title IX, but that women's sports still lag far behind men's in areas like media coverage, salaries, and search popularity. It argues the key is spurring more passionate female fandom through storytelling that helps fans feel like they know the athletes as people. Telling athletes' life stories and backgrounds could engage more women fans in the same way celebrity magazines do. Harnessing star power and compelling personalities that stimulate attention and discussion will also be important to growing interest in women's sports.Productos referentes tallerYocelyn
油
Este documento presenta varios productos de artesan鱈a y alimentos chilenos que representan la identidad cultural de Chile. Incluye descripciones breves de cester鱈a mapuche, alfombras tejidas a mano, juegos de greda para sushi, especias y aceites de oliva mapuches, miel chilena de diversos 叩rboles nativos, aceite de canola, nueces tostadas nativas y dulce de leche de cabra. Todos estos art鱈culos resaltan tradiciones y productos 炭nicos de Chile.Enterprise & Transcoimmunication
Enterprise & TranscoimmunicationFUNDACIN UNIVERSIDAD EMPRESA
油
This document discusses communication skills and leadership. It identifies the objectives of the first chapter as developing communication skills, behaviors for change, and codes for team management. It discusses defining qualities of a leader such as listening, inspiring trust, being visionary, and not criticizing others. It also includes links to videos about communication and an interview with the President of Israel, Shimon Peres, discussing his career in Israeli politics.Jia-Bin Huang's Curriculum Vitae
Jia-Bin Huang's Curriculum VitaeJia-Bin Huang
油
Here is my updated CV using the ModernCV template (http://www.latextemplates.com/template/moderncv-cv-and-cover-letter).
You can find the Tex source file in (https://dl.dropbox.com/u/2810224/Homepage/resume/modern%20style.rar)Confirmation 9 done
Confirmation 9 doneAmazing Grace Lutheran Church, Panama City
油
God created the entire universe, including the earth and everything in it, in just six days through the power of his spoken word. He formed the first man and woman in his image to rule over his creation. God uniquely created each person and knit them together in their mother's womb. The theory of evolution is rejected because its proponents deliberately deny what the Bible clearly teaches about creation and instead follow their own desires. True understanding of origins can only come by faith in God's revelation.Debugging Tips and Tricks - iOS Conf Singapore 2015
Debugging Tips and Tricks - iOS Conf Singapore 2015Fahim Farook
油
The slides from the presentation I did at iOS Conf 2015 in Singapore on October 24th. The presentation deals with tips and tricks for debugging iOS applications.10 04 19 At Large Regional Meeting
10 04 19 At Large Regional MeetingVirginia Economic Bridge
油
The document summarizes the agenda and goals of the Virginia Economic Bridge (VEB) Regional Board of Directors meeting. VEB is a nonprofit organization that promotes economic development in Virginia through partnerships between different regions. Its mission is to advocate for shared economic development visions and partnerships between Southwest Virginia, Northern Virginia, and other regions. The meeting agenda discusses VEB messaging, public-private partnerships and programs, and board recruitment. It provides an overview of VEB's activities, including strategic research, information technology, marketing, and initiatives focused on research, recruitment and retention to create jobs and economic development.Make Eumora Your source of income
Make Eumora Your source of incomeguest261526
油
The Product are very popular among women due to its effectiveness in restoring the bad skin, oil skin, skin pores, rashes, increase the breast size, etc.Conociendo el aula virtual y el correo estudiantilKevin Bermudez
油
Este documento fornece instru巽探es passo a passo sobre como usar as ferramentas de uma aula virtual, incluindo como atualizar informa巽探es pessoais, participar de f坦runs, enviar mensagens e documentos, configurar e-mail, criar grupos e documentos no Google Docs.Final Portfolio and Self Evaluation Denise Clarke-Hang
Final Portfolio and Self Evaluation Denise Clarke-Hangguest733717f
油
This document is Denise Clarke-Hang's multicultural advising portfolio. It outlines her background working as a program director advising diverse students at a Catholic health academy. Her goal is to better understand students' cultural backgrounds to provide effective advising. She discusses her own culturally blended family, with her husband from Vietnam and their children. She also reflects on gaining awareness of her own privilege as a white woman from an upper-middle class background, compared to her husband's experiences facing discrimination. The portfolio provides evidence of her operational definition of advising, personal background, awareness of privilege, advising self-awareness, considerations for specific student populations, the importance of retention, incorporating multicultural aspects into academic curricula,Setting the stage for PS Engage 2012
Setting the stage for PS Engage 2012Thom Kearney
油
The document discusses the need for public service renewal and innovation to better serve Canadians. It notes that the status quo is not an option and new approaches are needed. The document suggests that by coming together, learning from each other, and challenging conventions, progress can be made on building a renewed public service through open dialogue and collaborative leadership across organizational boundaries.Similar to Chemistry in our wonderful world (20)
Chemistry Is Everywhere!
Chemistry Is Everywhere!tigger235
油
Tiger's 7th grade chemisty photo 7 Dalian Maple Leaf Foreign Nationals School Ms.Wolfenden and Mr.ArcaMatter
MatterJesuites_Poble_Sec
油
Matter can be summarized as follows:
Matter is anything that occupies space and has mass. It exists in three states - solid, liquid, and gas. Matter changes between these states through processes like fusion, condensation, evaporation, and solidification. Matter can be classified as pure substances or mixtures. Mixtures contain more than one substance and can be separated using methods like evaporation, distillation, filtration, and decantation. Changes to matter can be physical, changing its shape or size, or chemical, changing its composition.Science Power Point Chapter 2
Science Power Point Chapter 2lexiringsby
油
The document discusses the differences between pure substances like elements and compounds, and mixtures like heterogeneous mixtures which are not uniform throughout and homogeneous mixtures which are uniform. It also covers separation techniques like distillation and filtration that can be used to separate mixtures based on differences in their physical properties like boiling point or ability to be filtered. Key concepts around chemical properties and evidence of chemical changes are also reviewed.Chemistry In Our World
Chemistry In Our Worldltschultz22
油
This document defines key chemistry concepts including matter, elements, compounds, mixtures, and different types of changes. Matter is anything that has mass and volume. Elements are substances that cannot be broken down further, while compounds are made of two or more elements. Mixtures contain two or more substances that are not chemically combined. Changes can be physical, involving changes in state, or chemical, involving changes in molecular structure.Class 9th- Is matter around us pure (Prashant Kirad).pdf
Class 9th- Is matter around us pure (Prashant Kirad).pdfHarshitAgrawal367735
油
Chemistry ka exam hai chal na de to raha hai 6na 30 ko milte to hai you send you me now the first work on of life the work things to 2you are can we you send are you the work same model as well as in the past four years decades prior to with the out honey of life the world work on of the day work for on the of life us to have to do take money and god 2bless pg you 2send 2pannu 2bro enakku 2days 22pg Chemistry
ChemistryDi
油
This document discusses physical and chemical changes through a series of experiments involving changes of state, dissolving substances, burning substances, and flame tests. It defines a physical change as one where the original substance can be recovered, while a chemical change produces a new substance that cannot be recovered. Experiments show dissolving and burning substances are chemical changes, while changes of state like melting and freezing are physical changes.Good Presentation
Good Presentationsspurlock
油
The document discusses various topics related to matter and chemical changes. It defines elements and compounds, explains that compounds can undergo chemical changes while elements cannot, and states that the law of conservation of mass means the mass of reactants equals the mass of products in a chemical reaction. It also distinguishes physical and chemical changes, noting that only chemical changes alter the composition of matter.Chemical Reactions Science Presentation in Pastel Illustrations
Chemical Reactions Science Presentation in Pastel Illustrationsssuserd24d201
油
Chemical Reactions Science Presentation in Pastel Illustrationsphysical and chemical property and physical and chemical change
physical and chemical property and physical and chemical changezahid ullah
油
The document defines physical and chemical properties and changes. It states that physical properties can be observed without changing the substance's composition, and includes intensive properties that do not depend on amount and extensive properties that do. Chemical properties describe a substance's ability to change into a new substance through a chemical reaction. The document distinguishes between physical changes, which alter a substance's state or form without creating a new substance, and chemical changes, which produce new substances and are generally not reversible through physical processes alone.Density Common Chemical Changes Q And A
Density Common Chemical Changes Q And Adeawscience
油
This document discusses physical and chemical properties and changes in matter. It provides examples of physical properties including state, size, mass, density, and magnetic properties. Examples of physical changes include changes in state, dissolving, and changes in shape. Chemical properties include ability to burn and examples of chemical changes are burning and rusting. The document also discusses signs that a chemical change has occurred such as release of energy, change in odor or color, and formation of gases or solids.Substances and Classification of Substances.pptx
Substances and Classification of Substances.pptxJuanPagtuo
油
This document discusses substances and the classification of substances. It defines a substance as any form of matter and a pure substance as having uniform chemical properties. Substances can be classified as homogeneous if their components are blended thoroughly or heterogeneous if their components can be seen separately. Solutions and pure substances are considered homogeneous, while mixtures like soil are heterogeneous. The document also discusses physical and chemical properties of substances, and how physical changes alter properties but do not create new substances, unlike chemical changes. States of matter and phase changes involving heat are explained. Classification of substances is described using size of particles and filter testing methods.Elements and compound
Elements and compoundMakati Science High School
油
This document discusses water electrolysis. It describes how water can be broken down into hydrogen and oxygen gases through the process of electrolysis. Electrolysis uses electricity to drive a non-spontaneous chemical reaction. When an electric current is passed through water, the water molecules break down into hydrogen gas at the negative electrode and oxygen gas at the positive electrode. Electrolysis allows the separation of the components of water into hydrogen and oxygen gases.Elements and compound
Elements and compoundMakati Science High School
油
This document discusses water electrolysis. It describes how water can be broken down into hydrogen and oxygen gases through the process of electrolysis. Electrolysis uses electricity to drive a non-spontaneous chemical reaction. When an electric current is passed through water, the water molecules break down into hydrogen gas at the negative electrode and oxygen gas at the positive electrode.Elements and compound
Elements and compoundMakati Science High School
油
This document discusses water electrolysis. It describes how water can be broken down into hydrogen and oxygen gases through the process of electrolysis. Electrolysis uses electricity to drive a non-spontaneous chemical reaction. When an electric current is passed through water, the water molecules break down into hydrogen gas at the negative electrode and oxygen gas at the positive electrode.Presentation of mixtures & solutions.pptx by kk shai
Presentation of mixtures & solutions.pptx by kk shaiKlenda Kholofelo Shai
油
This presentation defines mixtures and solutions, and describes different types of mixtures. A mixture is a combination of substances that retain their individual properties and can be separated using physical means. Mixtures can be homogeneous, with a uniform composition throughout, or heterogeneous. Common examples provided include salads, cereals, and air. Various separation methods are outlined, including hand picking, magnetic attraction, evaporation, sieving, and filtration. In summary, the key points are the definition of mixtures, examples of homogeneous and heterogeneous mixtures, and different physical separation techniques for mixtures.Class 9 [Solution] ![Class 9 [Solution]](https://cdn.slidesharecdn.com/ss_thumbnails/solution9-200827162314-thumbnail.jpg?width=560&fit=bounds)
Class 9 [Solution] neelusharma39
油
This document defines solutions and the different types of solutions based on the amount of solute present: saturated, unsaturated, and supersaturated. It also discusses concentration of solutions and solubility. Physical changes are described as temporary alterations to a substance's physical properties that do not change its composition or mass, and are reversible. Chemical changes permanently transform substances into new products with different properties, and are irreversible. Examples of each type of change are provided.Chapter 3 chemistry
Chapter 3 chemistrywikiuser0015
油
This document defines key concepts about the three states of matter, physical and chemical properties, and phase changes. It also discusses mixtures, elements, compounds, and the laws of definite and multiple proportions. The periodic table is introduced as organizing all elements. Methods for separating heterogeneous mixtures include filtration, distillation, crystallization, sublimation, and chromatography.Describing matter powerpoint
Describing matter powerpointkristannsnyder
油
Matter can exist in three states - solid, liquid, and gas. Examples of solids are ice and diamonds; examples of liquids are water and mercury. Gases include water vapor and oxygen. Characteristic properties like boiling point and melting point are used to identify substances and do not change, even if the substance changes state. Physical changes alter the substance's form through processes like melting or crushing, but do not change its chemical makeup. Chemical changes form new substances through chemical reactions.Matter in our surroundings
Matter in our surroundingsKalyaniPatil50
油
This document discusses the nature of matter. It explains that all things that occupy space and have mass are matter. Matter is made up of tiny particles that are too small to see. Experiments show that matter dissolves into these tiny particles. Matter exists in three states - solid, liquid, and gas - depending on how close or far apart the particles are and how they move. Changes between these states, like melting, boiling, and condensing, involve the particles gaining or losing energy as they move closer together or further apart.Reversible and irrevrsible cahnge part 2
Reversible and irrevrsible cahnge part 2Muhammedibrahim48
油
This document discusses reversible and irreversible changes. It defines irreversible changes as permanent chemical reactions that create new materials different from the original, such as baking or burning. Reversible changes are physical changes that can be undone, like melting and freezing wax or dissolving and evaporating salt water. While reversible changes alter appearance, the original substance is not transformed. Irreversible chemical changes occur at a molecular level and cannot be reversed to recover the starting materials.Recently uploaded (20)
Quality Contril Analysis of Containers.pdf
Quality Contril Analysis of Containers.pdfDr. Bindiya Chauhan
油
Quality control test for containers, rubber closures and secondary packing materials.HIV: Acquired immunodeficiency syndrome (AIDS), is an ongoing, also called ch...
HIV: Acquired immunodeficiency syndrome (AIDS), is an ongoing, also called ch...DR .PALLAVI PATHANIA
油
Human immunodeficiency virus (HIV) is a virus that attacks the bodys immune system. Acquired immunodeficiency syndrome (AIDS) occurs at the most advanced stage of infection.
HIV targets the bodys white blood cells, weakening the immune system. This makes it easier to get sick with diseases like tuberculosis, infections and some cancers.
HIV is spread from the body fluids of an infected person, including blood, breast milk, semen and vaginal fluids. It is not spread by kisses, hugs or sharing food. It can also spread from a mother to her baby.
HIV can be prevented and treated with antiretroviral therapy (ART). Untreated HIV can progress to AIDS, often after many years.
WHO now defines Advanced HIV Disease (AHD) as CD4 cell count less than 200 cells/mm3 or WHO stage 3 or 4 in adults and adolescents. All children younger than 5 years of age living with HIV are considered to have advanced HIV disease.
Ledger Posting in odoo Continental Accounting
Ledger Posting in odoo Continental AccountingCeline George
油
Continental accounting records costs at the time of purchase. This means expenses related to buying products or services are logged when they occur in the ledger. While it follows GAAP principles, users can choose which accounts to debit or credit.
Quorum Sensing(Bacterial Communication) .pptx
Quorum Sensing(Bacterial Communication) .pptxAyush Srivastava
油
Introduction- Quorum Sensing (QS) is a cell-to-cell communication mechanism used by bacteria to regulate gene expression in response to population density.
Historical background - Kenneth Nealson, Terry Platt, and J. Woodland Hastings (1970) - Discovered density-dependent bioluminescence in Aliivibrio fischeri
Bonnie Bassler -Discovered Autoinducer-2 (AI-2), a universal quorum sensing molecule that enables interspecies bacterial communication.
Mechanism of quorum sensing-
Signal Production
Signal Accumulation
Signal Detection
Gene Activation
Types of quorum sensing systems-
Gram-Negative Bacteria
Gram-Positive Bacteria
Autoinducer-2 (AI-2) System
Applications
Case study 
The Systematic Literature Search - Prof Alison Kinengyere
The Systematic Literature Search - Prof Alison KinengyereSystematic Reviews Network (SRN)
油
Outline:
Introduction
Learning outcomes
Importance of a search strategy in systematic reviews
Key Steps in developing a search strategy
Conducting the Search practical session
Managing & documenting the search process
Q&A session
Group assignment
Conclusion畛 C働NG HK2 L畛P 7. cuoi ky 2 thcs hoa phu
畛 C働NG HK2 L畛P 7. cuoi ky 2 thcs hoa phuNhiLinh58
油
N畉u b畉n ang lm k畉 to叩n, ti ch鱈nh, ho畉c x畛 l箪 nhi畛u d畛 li畛u l畉p i l畉p l畉i, th狸 h畛c VBA s畉 gi炭p ti畉t ki畛m th畛i gian v n但ng cao hi畛u su畉t c担ng vi畛c r探 r畛t.Using Deep Learning (DL) Approach in Teaching English Subject 
Using Deep Learning (DL) Approach in Teaching English Subject Neny Isharyanti
油
Presented in Kegiatan Komunitas Belajar antar Sekolah, MGMP Bahasa Inggris SMA Kota Salatiga, 22 April 2025 Crude Drugs in D. Pharm Syllabus: A Comprehensive Chart in Pharmacognosy
Crude Drugs in D. Pharm Syllabus: A Comprehensive Chart in PharmacognosyPAWAN KUMAR SAHU
油
Crude drugs are plant or animal-derived substances used in traditional medicine or as a source of pharmaceuticals. They can be in various forms, such as dried plants, extracts, or powders.
Types of Crude Drugs
1. Herbal drugs: Plant-based remedies, like leaves, roots, or flowers.
2. Animal-derived drugs: Substances obtained from animals, like honey, beeswax, or lanolin.
3. Mineral drugs: Inorganic substances, like sulfur or minerals.
Importance of Crude Drugs
1. Traditional medicine: Many cultures rely on crude drugs for various health issues.
2. Pharmaceutical development: Crude drugs can serve as starting materials for synthesizing modern medicines.
3. Dietary supplements: Some crude drugs are used as dietary supplements.
Study of Crude Drugs
Pharmacognosy is the study of crude drugs, focusing on their:
1. Biological source: Identification of the plant or animal source.
2. Chemical constituents: Analysis of the active compounds.
3. Therapeutic efficacy: Evaluation of their medicinal properties.
4. Safety and toxicity: Assessment of potential side effects and interactions.
Examples of Crude Drugs
1. Digitalis (Foxglove): Used to treat heart conditions.
2. Senna: A natural laxative derived from the Senna plant.
3. Turmeric: Contains curcumin, which has anti-inflammatory properties.
4. Ginger: Used for digestive issues and nausea.
Challenges and Opportunities
1. Standardization: Ensuring consistent quality and potency.
2. Regulation: Oversight of crude drug production and use.
3. Research and development: Exploring new therapeutic applications.Introduction to Generative AI and Copilot - 2025.04.23.pdf
Introduction to Generative AI and Copilot - 2025.04.23.pdfTechSoup
油
Is your nonprofit looking to enhance its operations and impact? Join us for an engaging and insightful two-part webinar series, where we will dive into the essentials of generative AI, address key AI concerns, and demonstrate how nonprofits can benefit from using Microsofts AI assistant, Copilot, to achieve their goals.
This event series to help nonprofits obtain Copilot skills is made possible by generous support from Microsoft.
What Youll Learn in Part 1:
Discover the benefits of using Microsoft 365 Copilot for nonprofits and how to get started.
Understand the basics of generative AI and its applications.
Learn how to address AI policy, bias, ethics, and security concerns.FLAMES QUIZ HINDU QUIZZING CHAMPIONSHIP.pdf
FLAMES QUIZ HINDU QUIZZING CHAMPIONSHIP.pdfMANTHAN THE QUIZZING SOCIETY OF HINDU COLLEGE
油
The FLAMES QUIZ at Hindu Quizzing Championship 2025 hosted by Harit Jain, Ayushman Dasand Yogesh Kurmip4.pdf 悽惆悸 悋悋愃悵悸 悋愆惘惡悋惠 悋悴慍悄 悋惘悋惡惺
p4.pdf 悽惆悸 悋悋愃悵悸 悋愆惘惡悋惠 悋悴慍悄 悋惘悋惡惺HanyAtef10
油
Describe types of commercial foodservice. 悋愆惘忰 悖悋惺 悽惆悋惠 悋愀惺悋 悋惠悴悋惘悸.
Describe the types of institutional foodservice. 悋愆惘忰 悖悋惺 悽惆悋惠 悋愀惺悋 悋悗愕愕悸.
List the functions that all foodservices must perform. 悋悵惘 悋惴悋悧 悋惠 悴惡 悖 惠 惡悋 悴惺 悽惆悋惠 悋愀惺悋.
Describe how a restaurant concept distinguishes one restaurant from another. 悋愆惘忰 慍 悋愀惺 愀惺悋 惺 悛悽惘.
Explain the importance of customer feedback. 悋愆惘忰 悖悸 悋忰惴悋惠 悋惺悋悄.
6. Describe how the front-of-the-house and back-of-the-house work together. 悋愆惘忰 惺 愕 悋悽惆悸 悋悖悋 愕 悋悽惆悸 悋悽 惺悋.
7. Identify entry-level jobs in foodservice. 忰惆惆 悋惴悋悧 悋惡惠惆悧悸 悴悋 悽惆悋惠 悋愀惺悋.
8. Identify opportunities for advancement in foodservice. 忰惆惆 惘惶 悋惠惘悸 悋惠愀惘 悴悋 悽惆悋惠 悋愀惺悋.
9. Explain the roles of foodservice employees. 悋愆惘忰 悖惆悋惘 惴 悽惆悋惠 悋愀惺悋.
10. Describe how foodservice employees can meet the needs of guests. 悋愆惘忰 惴 悽惆悋惠 悋愀惺悋 惠惡悸 悋忰惠悋悴悋惠 悋惷Some Common Errors that Generative AI Produces
Some Common Errors that Generative AI ProducesDamian T. Gordon
油
Some Common Errors that Generative AI ProducesFINALS INDIA QUIZ MANTHAN HQC 2025 .pdf
FINALS INDIA QUIZ MANTHAN HQC 2025 .pdfMANTHAN THE QUIZZING SOCIETY OF HINDU COLLEGE
油
Finals of the India Quiz hosted by Ripesh Ghosh and Harit Jain at HINDU QUIZZING CHAMPIONSHIP for Manthan - The Quizzing Society of Hindu College MYTHOLOGY, ETHYMOLOGY, CULTURE, CUISINE, ARCHITECTURE (MECCA) FILLER QUIZ.pdf
MYTHOLOGY, ETHYMOLOGY, CULTURE, CUISINE, ARCHITECTURE (MECCA) FILLER QUIZ.pdfMANTHAN THE QUIZZING SOCIETY OF HINDU COLLEGE
油
The MECCA Filler Quiz hosted by Ayushman Das and Harshika at Hindu Quizzing Championship'25 for Manthan - The Quizzing Society of Hindu College. 
History of Pala Dynasty, Rise of Pal NEP.pptx
History of Pala Dynasty, Rise of Pal NEP.pptxArya Mahila P. G. College, Banaras Hindu University, Varanasi, India.
油
The anarchy that spread in northern India after Harsha's death also affected Bengal. After Shashank's death, no powerful king emerged in Bengal for a long time. As a result, there was political instability in Bengal for about 100 years. The Khalimpur inscription reveals that during this period, Matsyanyaya was prevalent there under which the strong were oppressing the weak. Frightened by this anarchy, the people of Bengal made a commander named Gopal their king. This is an important example of the election of a king by the people. Gopal ended the anarchy in Bengal and laid the foundation of a new dynasty. This dynasty is famous by the name of Pala.p1.pdf 悋悽惆悸 悋悴慍悄 悋悋 惆 悋 惺悋愀 惆 惺悋惆 悋慍
p1.pdf 悋悽惆悸 悋悴慍悄 悋悋 惆 悋 惺悋愀 惆 惺悋惆 悋慍HanyAtef10
油
PROF/ Hany Atef
Dr/ Ayda Fayez
The Food and Beverage services
"悽惆悋惠 悋悖愃悵悸 悋愆惘惡悋惠".
悴慍悄 束 1損
TYPES OF FOODSERVICE BUSINESS
悖悋惺 悖惺悋 悽惆悋惠 悋愀惺悋
Describe types of commercial foodservice. 悋愆惘忰 悖悋惺 悽惆悋惠 悋愀惺悋 悋惠悴悋惘悸.
Describe the types of institutional foodservice. 悋愆惘忰 悖悋惺 悽惆悋惠 悋愀惺悋 悋悗愕愕悸.
List the functions that all foodservices must perform. 悋悵惘 悋惴悋悧 悋惠 悴惡 悖 惠 惡悋 悴惺 悽惆悋惠 悋愀惺悋.
Describe how a restaurant concept distinguishes one restaurant from another. 悋愆惘忰 慍 悋愀惺 愀惺悋 惺 悛悽惘.
Explain the importance of customer feedback. 悋愆惘忰 悖悸 悋忰惴悋惠 悋惺悋悄HIV: Acquired immunodeficiency syndrome (AIDS), is an ongoing, also called ch...
HIV: Acquired immunodeficiency syndrome (AIDS), is an ongoing, also called ch...DR .PALLAVI PATHANIA
油
MYTHOLOGY, ETHYMOLOGY, CULTURE, CUISINE, ARCHITECTURE (MECCA) FILLER QUIZ.pdf
MYTHOLOGY, ETHYMOLOGY, CULTURE, CUISINE, ARCHITECTURE (MECCA) FILLER QUIZ.pdfMANTHAN THE QUIZZING SOCIETY OF HINDU COLLEGE
油
History of Pala Dynasty, Rise of Pal NEP.pptx
History of Pala Dynasty, Rise of Pal NEP.pptxArya Mahila P. G. College, Banaras Hindu University, Varanasi, India.
油
Chemistry in our wonderful world
- 1. Chemistry in our world By: Joo Han
- 2. Matter matter is commonly defined as the substance of which physical objects
- 3. Not matter It is the matter that we cant see
- 4. Pure substance A sample of matter, either an element or a compound We cant feel it, it is pure substance
- 5. Element one of a class of substances that cannot be separated into simpler substances by chemical means It is Element because this substance cannot be separates to simple substances
- 6. Compounds composed of two or more parts, elements, or ingredients Soap has 2 and others matter.
- 7. Mixture any combination or blend of different elements, kinds, qualities It has salt and water, it is mixed
- 8. Heterogeneous Mixture The matters arent have exactly same ration Milk isnt exactly knows about real ration
- 9. Homogenous Mixtures The mixture of the matters rations have exactly same. We can know the ration of sugar water exactly.
- 10. Mass Of an object is a measure of the amount of matter in the object, that objects mass stays constant every where in the universe. 1KG=1000g
- 11. Volume It is the matter that takes a space It has a height, length and side
- 12. Suspension Water, for example, when it is in hot place we can see the fog. That action we call suspension. As this example you can see fog! In Sauna
- 13. Emulsion any mixture of liquids that do not normally mix together. It didnt mix together.
- 14. Mechanical mixture So the mechanicals had mixed differently such as pizza
- 15. Reversible Change Changes that can be reversed are called reversible changes This is Ice cream and this is reversible change.
- 16. Non- Reversible Change Changes that can be reversed are called reversible changes. The ions are roosting, which means this is Non- reversible change.
- 17. 2 Examples of Physical Change In a physical change, involves remains the same, even though its from or sating it can change I cut apples and spilt water. My computer said these were 2 physical changes.
- 18. 2 Examples of Chemical changes Chemical changes is the substance that changes one or more different substances with others properties. The changes are different substances.
- 19. Thank you very much
- 20. http://www.daum.net/ Pictures from my house.