Consider a process in which a sample of water vapor expands reversibly and adiabatically from a state in which its pressure is 60 Torr and its volume is 0.5 dm3 to a state in which its volume is 3 dm3. If it is assumed that the water vapor behaves as an ideal gas (with respect to its P-V-T properties) and that the ratio of its Cp,m and Cv,m heat-capacity quantities is given by γ = Cp,m/Cv,m = 1.3, what will be the final pressure of the vapor sample?

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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.


Consider a process in which a sample of water vapor expands reversibly and adiabatically from a state in which its pressure is 60 Torr and its volume is 0.5 dm<sup>3</sup> to a state in which its volume is 3 dm<sup>3</sup>. If it is assumed that the water vapor behaves as an ideal gas (with respect to its P-V-T properties) and that the ratio of its C<sub>p,m</sub> and C<sub>v,m</sub> heat-capacity quantities is given by γ = C<sub>p,m</sub>/C<sub>v,m</sub> = 1.3, what will be the final pressure of the vapor sample?