Which of the following statements regarding enthalpy are true? I. Enthalpy is an

Question

Which of the following statements regarding enthalpy are true?

I. Enthalpy is an extensive property.
II. The enthalpy change for a reaction is equal in magnitude but opposite in sign to the enthalpy change for the reverse reaction.
III. The enthalpy change for a reaction depends on the state of the reactants and products.
IV. Under constant pressure, the change in enthalpy of a system equals the amount of heat gained or lost by the surroundings.
V. Enthalpy is a state function.

A) All of the above are true.
B) I, II, III, and IV only
C) III, IV, and V only
D) II, III, IV, and V only
E) I, II, III, and V only

Explanation / Answer

D) II, III, IV, and V only

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