Consider a gas for which the equation of state P(Vm – b) = RT (with b = 0.04 dm3/mol) can be used to describe its P-V-T behavior. Suppose a 2-mol sample of this gas is compressed isothermally and reversibly from an initial volume of 10 dm3 to a final volume of 1 dm3. How much work (w) is done on the gas sample in this compression process, and how much is the internal energy (U) of the gas changed?

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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 gas for which the equation of state P(V<sub>m</sub> – b) = RT (with b = 0.04 dm<sup>3</sup>/mol) can be used to describe its P-V-T behavior. Suppose a 2-mol sample of this gas is compressed isothermally and reversibly from an initial volume of 10 dm<sup>3</sup> to a final volume of 1 dm<sup>3</sup>. How much work (w) is done on the gas sample in this compression process, and how much is the internal energy (U) of the gas changed?