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If the change in free energy of a system is -899 Jmol-1 

If the change in free energy of a system is -899 Jmol-1 and the entropy change is 10Jmol-1k-1 at 250C, calculate the enthalpy change.

A) +2081 Jmol-1
B) -2081 Jmol-1
C) -649 Jmol-1
D) +649 Jmol-1

 

The correct answer is A.

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