In nature, one common strategy to make thermodynamically unfavorable reactions p

Question

In nature, one common strategy to make thermodynamically unfavorable reactions proceed is to couple them chemically to reactions that are thermodynamically favorable. As long as the overall reaction is thermodynamically favorable, even the unfavorable reaction will proceed. Consider these hypothetical chemical reactions: What is the free energy. Delta G, for the overall reaction. A D? Express your answer numerically in kilojoules per mole. Firefly luciferase is the enzyme that allows fireflies to illuminate their abdomens. Because this light generation is an ATP requiring reaction, firefly luciferase can be used to test for the presence of ATP. In this way. luciferase can test for the presence of life. The coupled reactions are If the overall Delta G of the coupled reaction is -5.10 kJ/mol. what is the equilibrium constant. K,. of the first reactions at 25 degree C? The Delta G for the hydrolysis of ATP to AMP is -31.6 kJ/mol. Express your answer numerically.

Explanation / Answer

here as G is negative so the reaction is feasible and favourable termodynamically

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