Which of the following processes carried out on a 1-mol sample of a monatomic gas (assumed to exhibit ideal-gas P-V-T behavior) will result in the greatest increase in the entropy of the gas?

MCQs on thermodynamics in classical mechanics systems. Topics include the first, second, and third laws of thermodynamics, energy, work, enthalpy, and entropy, spontaneity, chemical potential, equilibrium, phase changes, and chemical kinetics.