If the Reaction a B Has DG = +25 Joule/mol

Multiple Choice

If the reaction A B has DG = +25 Joule/mol and the reaction B C has DG = -15 Joule/mol,the overall energy change A C will be

A) -40 Joule/mol.
B) -15 Joule/mol.
C) +10 Joule/mol.
D) +40 Joule/mol.
E) You cannot determine the overall reaction from the given data.