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Question 69

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

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