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The reaction converting glycerol to glycerol-3-phosphate is energetically unfavorable by 9.2 kJkJ. The reaction of ATP with water to yield ADP, hydrogen phosphate ion, and hydrogen ion is energetically favorable by 30.5 kJkJ. These reactions are coupled so that the overall process is energetically favorable. What is ΔGΔGDelta G for the overall process?

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oladayoademosu

Answer:

- 21.3 kJ

Explanation:

For the favorable reaction, ΔG₁ = + 9.2 kJ (ΔG > 0 for unfavorable reaction)

For the favorable reaction, ΔG₂ = - 30.5 kJ (ΔG < 0 for favorable reaction)

For the overall reaction, ΔG = ΔG₁ + ΔG₂ = + 9.2 kJ + (- 30.5 kJ)

ΔG = + 9.2 kJ - 30.5 kJ = - 21.3 kJ

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