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Electrochemistry part4
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Awad Albalwi
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Electrochemistry part4
1.
悋惓悋 悋忰惆悸 悸 悋惘悋悧 悋悽悋悋 悸
2.
悴惆 悋愀惡 惺惡惘 惺 惠悋惺 悵 悋愀惡 愕惡 悖 惆 悒惠惘悋惠 . 忰愕悋惡 悴 惆 悋愀惡 惺 愀惘 悋愕惠悽惆悋 惺悋惆悸 惘愕惠 Nernst Equation 悋悵 惺惡惘 惺 悋惺惠悋惆悸 悋悴惆 惺 悋惠惘慍 悋悋惓 惠悋惺 : 悋愀惡 悴惆 Electrode
potential : o bCu 2e 2 aCu a [OX] b [Red] ln nF RT - o E E
3.
惺惆 悋悵惘悸 惓悋惡惠 悋惺惆惆悸
惡悋 悋惠惺惷 悒 悋愀惡惺 悋愃悋惘惠 惠忰 愃悋惘惠 惺 忰惶 惺愆惘悸 悖愕悋愕 : 悋忰惴悸 悴惡 悖 惡悋忰惆悸 悋悸 悋愕悋悧 悋惶惡悸 悋悋惆 惠惘慍 惺 悋惠惺惷 惠 悖 [ ] = 1 a [OX] b [Red] log n 0.0592 - o E E 悴惆 悋愀惡 悋悋愕 悖 悋惆悸 惓 悋悽悋惘惶 悋悋惓 悋愕 惡悒惆悋悴 悵悋 悋愀惡 惶惺惆 ( 悖惆 )+ 悽悸 悴悋悸 悋愀惡 悋惓悋 悖 悋 惡愀 ( 悋惓惆 - ) 悋 愀惡 悋惆惘悴 悋 悋愕 悋悵 惠 悋 惡悋惘愕 悋惠悋悽 慍悴悋悴 惡 愀惡 悋惡悋惠 悋愆惡惺 惡愃悋慍 悋惆惘悴 愃 惘 忰 忰惷 惠惘慍 1 悋惘 . 悋愀惡 悴惆 悋悋愕 Standard Electrode potential : 悋惶愀忰 惺 悖 悴惆 悋惆惘悴 悋悋愕 惶惘 惠 惡悋惠悋 惺惆 惆悴 愀惡 悋惆惘悴 惺 愀惡 惺惶惘 悋 悴惆 悋悽悸 悋悋愕 惡悋愕愀悸 悋惠惠惘 忰惶悸 悴惆 愀惡 悋惆惘 悴 悴惆 悋愀惡 悋悛悽惘 惡悋惠悋 悋愀惡 悋悋愕 悵悋惠 悴惆 悋惺惶惘 悋悋愕 悖 悴惆 悋惆惘悴 悋悋愕 愕悋 惶惘 .
4.
悋悽悸 悴惆 Cell potential
(Ecell) : 悋悽悸 悴惆 Cell potential (Ecell) : 忰愕悋惡 悴惆 悋悽悸 悋悋悖 惡忰愕悋惡 悴惆 悋惡愀 Ec 悴惆 悋惶惺惆 Ea 惡悋愕惠悽惆悋 惺悋惆悸 惘愕惠 Nernst equation 惓 惺惷 悋悋 悋惠悋 :
7.
愕悖悸 3 : 惆 悽悸 悴悋悸 悸 Ag Cu 悒悵悋 惺惠 悖 惠惘慍 悖 悋惷悸 悋忰悋愕 0.02 M =
(Cu2+/Ag+) 悖 E0 Ag= + 0.79 E0 Cu = + 0.34 悖忰愕惡 悴惆 悋悽悸 悋忰 :
13.
惠惺惠惆 悵 悋愀惘 惺 悋悋愕悋惠 悋惘惡悋悧悸 悋惠 惠愆 悋惠悋惘 current 悋悋悸 resistance 悋悴惆 potential 悋悽悋悋 悋惘悋悧悸 electrochemical cells . 悋惘悋悧 悋惠忰
愀惘 悒 惆悽 1 - 悋惠忰 悋惡悋愆惘 Direct methods of analysis : 惠悋愕 悋悽悋惶悸 悋惘惡悋悧悸 悋 惡悋愆 ( 1 ) ( 悋悴惆 悋悋惓 ) 忰悋 悋悋愕悸 悋悴 惡惘愕 悋惺悋悸 惡 悋悴惆 愃悋惘惠 悋惠惘慍 悋 悋惠惺惘 惺 惠惘慍 悋悴 . 悵悋 悋愕惠悽惆悋 悵 悋悽悋惶 ( 惠悋惘 悋悸 悴惆 ) 悋惠 惠惺惠惆 惡惆惘悋 惺 悋忰悋 悋悸 悽悋悋 悋惘悋悧悸 悋惠忰 悋 quantitative analysis 悋惺 qualitative analysis . 惘悧愕 愕 悋惘悋悧 悋惠忰 愀惘 惠惠惷 悋 :
15.
悋悋愕悋 惺悴 悋悋悄
悋惘惆 惠惘慍 悋愕 using Fluoride ion selective Electrode https://www.youtube.com/watch?v=W6oOC3cqpYI
16.
惡悋愆惘 悋愃惘 悋惠忰 ( 悋惺悋惘悋惠 ) Inderct
methods of analysis (titrations) : 惠悋愕 悋悽悋惶悸 悋惘惡悋悧悸 ( 悋悴惆 悋悋惓 ) 悖惓悋悄 悋惺悋惘悸 惡悋愕惠悽惆悋 悖愀悋惡 悋愕惡悸 惡惘愕 悋惺悋悸 惡 悋悴惆 悋忰悴 悋惷悋 愆 惘 ( 2 ) 悒悴悋惆 愀悸 悋惠悋悗 惓 惠 忰愕悋惡 惠惘慍 悋悴 惡悋愀惘 悋忰愕悋惡悸 悋悽悋惶悸 惡悋惺悋惘悋惠 .
17.
惡悋愆惘 悋愃惘 悋惠忰 ( 悋惺悋惘悋惠 ) Inderct
methods of analysis (titrations) :
19.
Potentiometric https://www.youtube.com/watch?v=9GyGxJ6ksNY
21.
惡 悋惆悽 惠悋惶 悋愀惘 悋悵惘悸 悖惺悋 愕 惠惺惘惷 悋惡惆悋悸 悒 悖愕 悋愕悋惠 悋悋悄 悋惘惡悋悧悸 . 1 . 悋悖 悋惺
悖愀悋惡 : 悋悖愀悋惡 悖悋惺 Types of electrodes : 悵 惺惡悋惘悸 惺 愕 悖 惷惡 慍 愃愕 忰 忰惠 惺 悖悋惠 悵 悋 慍 悋悖惓悸 惺 悵 愀惡 悋惷悸 悋悵 惠 愕 悋惷悸 愃愕 忰 惠惘悋惠 悋惷悸 愀惡 悋忰悋愕 悋悵 惠悖 愕 悋忰悋愕 愃愕 忰 惡 惘惠悋惠 悋忰悋愕 ... 悋悽 . 惘慍 悵悋 悋惺 惡悋惘慍 悋惺悋 M/Mn+ 2 . 悋惺 悖愀悋惡 悋惓悋 : 悋惘慍 悋惺悋 悵悋 悋惺 悋悖愀悋惡 M/MX/Xn- 忰惓 悖 MX 忰 悋悵惡悋 慍 M 悖 悖 悋愀惡 惺惡悋惘悸 惺 愕 悋慍 M 愃愀 惡愀惡悸 悋忰 MX 愃愕 忰 忰惠 惺 悖 悋忰 Xn- 悋悖惓悸 惺 悵 愀惡 悋惷悸 - 惘惆 悋惷悸 - Ag0/AgCl(s)/Cl- 愀惡 悋悋 悋愆惡惺 - Hg0/Hg2Cl2(s)/Cl- 悋悵悋 愕 惠忰惆惓 惺悋 悋悖愀悋惡 悋惘悴惺悸 .
22.
3 . 悋惺 悖愀悋惡 悋惓悋惓 : 悋
惺 悋慍悧惡 惺惆 愀惡 愕 悋 悋惺 悵悋 惺 悋悖惓悸 悖 EDTA . 4 . 悋悋悽惠慍悋 悋悖愕惆悸 悖愀悋惡 : 惠悖 悵悋 悋惺 愕 惺惶惘 悽悋 ( 愃悋惡悋 悋惡悋惠 ) 愃愕 忰 忰惠 惺 悋愆 悋悗愕惆 悋悽惠慍 ( 悋悵悋悧惡 ) 惶 悋惠悋惺 悋悖惓悸 惺 悵 愀惡 悋忰惆惆 悋悵 惠悖 愕 悋惡悋惠 愃愕 忰 忰惠 惺 Fe2+ Fe3+ .
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