Which thermodynamic property is most relevant to the study of thermochemistry

Expert Solution

Thermochemistry is the branch of science which study the heat energy associated with chemical reactions and/or physical transformations.
A reaction may release or absorb energy; Endothermic reactions absorb heat, while exothermic reactions release heat. Thermochemistry is based on the energy changes, particularly on the system's energy exchange with its surroundings. Change in entropy.
Knowing the change in enthalpy and entropy, we can determine the change in Gibb's free energy and hence it can predict whether a reaction is spontaneous or non-spontaneous, favorable or unfavorable.

In addition, Thermochemistry coalesces the concepts of thermodynamics with the concept of energy in the form of chemical bonds, it includes calculations of heat of reaction (change in enthalpy), change in entropy and change in free energy.

Hence, Gibb's free energy is most relevant to the study of thermochemistry.

queen_honey_blossom answered 2 years ago

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