When a Mixture of 3-Phosphoglycerate and 2-Phosphoglycerate Is Incubated at 25

question 7

Multiple Choice

When a mixture of 3-phosphoglycerate and 2-phosphoglycerate is incubated at 25 °C with phosphoglycerate mutase until equilibrium is reached,the final mixture contains six times as much 2-phosphoglycerate as 3-phosphoglycerate.Which one of the following statements is most nearly correct,when applied to the reaction as written? (R = 8.315 J/mol·K;T = 298 K)
3-Phosphoglycerate $\rightarrow$ 2-phosphoglycerate

• A)(\(\Delta\)G'° is -4.44 kJ/mol.)
• B)(\(\Delta\)G'° is zero.)
• C)(\(\Delta\)G'°is +12.7 kJ/mol.)
• D)(\(\Delta\)G'°is incalculably large and positive.)
• E)(\(\Delta\)G'° cannot be calculated from the information given.)

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