Question

Which statement about enthalpy is true?
The enthalpy of formation for a pure element in its standard state is always positive.
The enthalpy of formation for a pure element in its standard state is always negative.
Enthalpy is a state function because its change depends only on initial and final conditions.
Enthalpy is not a state function because its change depends on the identities of the reactants and products.

Answer 1

Enthalpy is a state function because its change depends only on initial and final conditions.