Consider the following unbalanced oxidation-reduction reactions in aqueous solution:(a)
Chapter 15, Problem 5.113(choose chapter or problem)
Consider the following unbalanced oxidation-reduction reactions in aqueous solution:
\(\mathrm{Ag}^{+}(a q)+\mathrm{Li}(s) \longrightarrow \mathrm{Ag}(s)+\mathrm{Li}^{+}(a q)\)
\(\mathrm{Fe}(s)+\mathrm{Na}^{+}(a q) \longrightarrow \mathrm{Fe}^{2+}(a q)+\mathrm{Na}(s)\)
\(\mathrm{K}(s)+\mathrm{H}_{2} \mathrm{O}(l) \longrightarrow \mathrm{KOH}(a q)+\mathrm{H}_{2}(g)\)
(a) Balance each of the reactions. (b) By using data in Appendix C, calculate \(\Delta H^{\circ}\) for each of the reactions. (c) Based on the values you obtain for \(\Delta H^{\circ}\), which of the reactions would you expect to be thermodynamically favored? (d) Use the activity series to predict which of these reactions should occur. •(Section 4.4) Are these results in accord with your conclusion in part (c) of this problem?
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