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Question 49

Multiple Choice

Given: Given: Pb2+ (aq) + 2e¯ Pb(s) ; Eº = -0.13V What is the standard Gibbs free-energy change for the following reaction? 2Cr(s) + 3Pb2+ (aq) → 3Pb(s) + 2Cr3+ (aq) A) 353kJ B) 118kJ C) D) -353kJ E)
Pb²⁺ (aq) + 2e¯ Pb(s) ; Eº = -0.13V
What is the standard Gibbs free-energy change for the following reaction?
2Cr(s) + 3Pb²⁺ (aq) → 3Pb(s) + 2Cr³⁺ (aq)

A) 353kJ
B) 118kJ
C) Given: Pb2+ (aq) + 2e¯ Pb(s) ; Eº = -0.13V What is the standard Gibbs free-energy change for the following reaction? 2Cr(s) + 3Pb2+ (aq) → 3Pb(s) + 2Cr3+ (aq) A) 353kJ B) 118kJ C) D) -353kJ E)
D) -353kJ
E)

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