The free-energy change for the conversion of maleate into fumarate is 3.0 kJ. In…

Chemistry · JEE Advanced · NTA Exams — Chemical Thermodynamics

The free-energy change for the conversion of maleate into fumarate is 3.0 kJ. In metabolism, this reaction is coupled with the conversion fumarate to asparate, which is exergonic by 15.5 kJ. Calculate for the overall reaction.

1. – 18.5 kJ
2. + 18.5 KJ
3. – 12.5 kJ
4. – 25.0 kJ

Answer

(C) – 12.5 kJ

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