Table 2. Gibbs Free Energies of formation (kJ), ∆G°f, for Ions in 1M Solution and Ionic Solids cation anions Cl- -131.228 I- -51.57 NO3- -108.74 SO4-2 -744.53 Na+ -261.905 -384.138 -286.06 -367.00 -3646.85 W10 ∆G°f of water = -237.129 kJ/mol Calculated values of ∆G°rxn and the ∆Grxn of each box, Predicted results (ppt or no ppt). Observations (Rxn or No Rxn). S or support and R for Refute Cations Anions Cl- I- NO3- SO4-2 Na+(∆G°rxn) Na+ (∆Grxn) Na+ (ppt or no ppt) Na+ (Rxn or No Rxn) NO RXN NO RXN NO RXN NO RXN Na+ (S or support and R for Refute)
Table 2. Gibbs Free Energies of formation (kJ), ∆G°f, for Ions in 1M Solution and Ionic Solids cation anions Cl- -131.228 I- -51.57 NO3- -108.74 SO4-2 -744.53 Na+ -261.905 -384.138 -286.06 -367.00 -3646.85 W10 ∆G°f of water = -237.129 kJ/mol Calculated values of ∆G°rxn and the ∆Grxn of each box, Predicted results (ppt or no ppt). Observations (Rxn or No Rxn). S or support and R for Refute Cations Anions Cl- I- NO3- SO4-2 Na+(∆G°rxn) Na+ (∆Grxn) Na+ (ppt or no ppt) Na+ (Rxn or No Rxn) NO RXN NO RXN NO RXN NO RXN Na+ (S or support and R for Refute)
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Table 2. Gibbs Free Energies of formation (kJ), ∆G°f, for Ions in 1M Solution and Ionic Solids
| cation | anions | |||
|
Cl- -131.228 |
I- -51.57 |
NO3- -108.74 |
SO4-2 -744.53 |
|
|
Na+ -261.905 |
-384.138 | -286.06 | -367.00 | -3646.85 W10 |
∆G°f of water = -237.129 kJ/mol
Calculated values of ∆G°rxn and the ∆Grxn of each box, Predicted results (ppt or no ppt). Observations (Rxn or No Rxn). S or support and R for Refute
| Cations | Anions | |||
| Cl- | I- | NO3- | SO4-2 | |
| Na+(∆G°rxn) | ||||
| Na+ (∆Grxn) | ||||
| Na+ (ppt or no ppt) | ||||
| Na+ (Rxn or No Rxn) | NO RXN |
NO RXN |
NO RXN | NO RXN |
| Na+ (S or support and R for Refute) |
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