Question

Given: Zn(s) + Sn2+ (aq) ? Sn(s) + Zn2+ (aq) E° cell = +0.62 V What is ?G° for this reaction at 298 K? 65.0 kJ/mol 21.2 kJ/mol -1.2 x 10^2 kJ/mol 1.2 x 10^2 kJ/mol -65.0 kJ/mol

          Given:

Zn(s) + Sn2+ (aq) ? Sn(s) + Zn2+ (aq) E° cell = +0.62 V

What is ?G° for this reaction at 298 K?

65.0 kJ/mol
21.2 kJ/mol
-1.2 x 10^2 kJ/mol
1.2 x 10^2 kJ/mol
-65.0 kJ/mol

Added by James M.

Chemistry: Structure and Properties

Nivaldo Tro 2nd Edition

Instant Answer

Solved by Expert Supreeta N

04/26/2023

Step 1

The balanced redox reaction is: $$Zn(s) + Sn^{2+}(aq) \rightarrow Sn(s) + Zn^{2+}(aq)$$ In this reaction, Zn loses 2 electrons and Sn gains 2 electrons, so the number of moles of electrons transferred is 2. Show more…

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QUESTION 4 Given: Zn(s) + Sn2+ (aq) → Sn(s) + Zn2+ (aq) E° cell = +0.62 V What is ΔG° for this reaction at 298 K? 65.0 kJ/mol 21.2 kJ/mol -1.2 x 10^2 kJ/mol 1.2 x 10^2 kJ/mol -65.0 kJ/mol