試題詳解

6. Which of the following statements is (are) true?
(A) Enthalpy is a state function.
(B) In exothermic reactions, the reactants are lower in potential energy than the products.
(C) A chemist takes the surroundings point of view when determining the sign for work or heat.
(D) The heat of reaction and change in enthalpy can always be used interchangeably.