What is the energy released (or absorbed), or the enthalpy change when one mole of a chemical compound is formed from its constituent atoms or elements at one bar and isothermally at 25 C?

What is the energy released (or absorbed), or the enthalpy change when

1.	What is the energy released (or absorbed), or the enthalpy change when one mole of a chemical compound is formed from its constituent atoms or elements at one bar and isothermally at 25 C?
A.	Heat of formation
B.	Heat of reaction
C.	Gibbs free energy
D.	Latent heat of vaporization
Answer» B. Heat of reaction

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What is the energy released (or absorbed), or the enthalpy change when one mole of a chemical compound is formed from its constituent atoms or elements at one bar and isothermally at 25 C?

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