What is ?GĀ° for a cell consisting of Zn(s) in Zn(NO3)2(aq) and Ni(s) in Ni(NO3)2(aq)? -201 kJ -92.6 kJ -46.3 kJ none of these
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The half-reactions are: Zn -> Zn^2+ + 2e^- Ni^2+ + 2e^- -> Ni Now, we need to find the standard reduction potentials for both half-reactions. From a standard reduction potential table, we find: EĀ°(Zn^2+ + 2e^- -> Zn) = -0.76 V EĀ°(Ni^2+ + 2e^- -> Ni) = -0.23 V Show moreā¦
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