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In a chemical reaction the free energy change (/\Go') is -40 jk/mol and the entropy factor T/\S is 15 kj/mol. the enthalpy change /\H for the reaction is
a. 25 kj/mol
b.-25 kj/mol
c.-55 kj/mol
d. 55 kj/mol
e. cant tell from the information provided
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