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Gibbs Free Energy (Simplified)
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Problema 1
Problema 2
Problema 3
Problema 4
Problema 5
Problema 6
Gibbs Free Energy (Simplified)
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7. Energy, Rate and Equilibrium / Gibbs Free Energy (Simplified) / Problema 4
Problema 4
Based on the Gibbs free energy equation (ΔG = ΔH − TΔS), which of the following correctly explains when a reaction might be endothermic but exergonic?
A
An endothermic reaction becomes exergonic only when the endothermic reaction involves an entropy increase large enough to cause the (−TΔS) term in the ΔG equation to outweigh the positive ΔH term, resulting in a negative ΔG.
B
An endothermic reaction becomes exergonic only when the endothermic process involves an entropy decrease large enough to cause the (−TΔS) term in the ΔG equation to add to the positive ΔH term, resulting in a positive ΔG.
C
An endothermic reaction becomes exergonic when the endothermic reaction involves an entropy increase small enough to cause the (−TΔS) term in the ΔG equation to outweigh the positive ΔH term, resulting in a negative ΔG.
D
An endothermic reaction cannot be an exergonic reaction because ΔH is positive, which by default, results in positive ΔG.
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