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17 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Similar to charged surfaces, ions are surrounded by an |
Ion atmosphere |
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Mu i_(elec) is |
The deviation from ideality of a solution caused by epectrostatic interactions of ions with surroundings. |
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What is the activity coefficient gamma and mu (elec) in terms of gamma? |
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What is the work done in the process of charging an ion that is initiallly uncharged up to its actual charge zi e. |
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How was the equation for gamma derived using the guoy chapman theory? |
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Gamma coefficients cannot be |
Measured from experiment |
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How are single ion activities related to mean ion activities? |
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Abs(z1v1) = |
Abs(z2v2) |
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Common equations for ln gamma look like |
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For 1:1 2:2 3:3 1:2 electrolytes etc. The mean ionic concentration equals |
C=C C=2C C=3C C =4^(1/3)C |
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The nernst equation can also be written as and how would you find E nought and gamma values? |
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What is the experimental procedure for measuring ionic strengths using square root of I |
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When a solvent is in equillibrium with its vapor, muA(chemical potential of solvent) is equal to |
MuA(vapor) |
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From the Gibbs- deluhem equation: 0 = VdP - SdT + sum(nidmui) so |
At constant T and P sum(nidmui) = 0 |
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Look at this wild equation for when hydration layers are taken into account beyond th edehye huckel theory |
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Mean activity coefficients can vary from |
0.2 to > 2 |
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Read these take home messages |
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