81. Using the data shown as follows to calculate ΔG° for the reaction (1 F = 96,485 coulombs):
2Fe3+(aq) + Cu(s) → 2Fe2+(aq) + Cu2+(aq)
The reduction potentials for Fe3+ and Cu2+ are as follows:
Fe3+ + e– → Fe2+ ε° = 0.77 V
Cu2+ + 2e– → Cu ε° = 0.34 V
(A) –8.3 × 104 J
(B) –1.2 × 105 J
(C) –4.2 × 104 J
(D) –6.0 × 104 J
(E) –2.4 × 105 J
詳解 (共 1 筆)
未解鎖
-2x96500x（0.77-0.34）...
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