General Science • ChemistryMedium
Which thermodynamic property measures the total heat content of a system at constant pressure?
A. Entropy
B. Enthalpy✓ Correct Answer
C. Gibbs free energy
D. Internal energy
💡 Solution & Explanation
Enthalpy represents the total heat content of a thermodynamic system at constant pressure, encompassing internal energy plus the product of pressure and volume. Entropy quantifies the degree of molecular disorder or randomness within a system. Gibbs free energy measures the maximum reversible work obtainable from a thermodynamic system at constant temperature and pressure. Internal energy accounts for all microscopic kinetic and potential energies inside substances.
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