Coulomb Energy for NaCl.pdf
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The document provides instructions to calculate the Coulomb energy for NaCl at its equilibrium separation. It states that the Coulomb energy at equilibrium is given by the equation Ueq = -1/4竜0(e2/R), where e is the elementary charge, 竜0 is the vacuum permittivity, and R is the equilibrium separation distance between Na and Cl. It then provides the values to use in the calculation, resulting in a Coulomb energy of -8.9556 eV.
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- 1. 1 Calculate the Coulomb energy for NaCl at its equilibrium separation. Helping Tools No.1
- 2. 2
- 3. 3 No.2
- 4. 4
- 5. 5 No.3
- 6. 6 Solution
- 7. 7 2 0 We know that at equilibrium separation Coulomb energy is given as: 1 4 1.44 . 1.7476 0.281 8.9556 C eq e U X R eV nm nm eV 逸 = = =