"If different processes are used to bring about the same chemical reaction, the enthalpy change is same for all of them". This is __________ law.
(A) Hess's
(B) Kirchoff's
(C) Lavoisier and Laplace
(D) None of these
(A) Hess's
(B) Kirchoff's
(C) Lavoisier and Laplace
(D) None of these