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23 Nov 2019
6. CO(g) has a constant pressure molar heat capacity of 29.14 Jmol -1 K -1. A system consists of
5.00
moles of CO(g), initially at 285 K and 0.750 bar. The surroundingsare at 285 K. The gas may be
assumed to be ideal. Calculate the entropy change for the system,the surroundings, and the
universe when the gas increases in volume by a factor of four ineach of the following processes:
(a) an adiabatic, reversible expansion
(b) an isothermal, reversible expansion
6. CO(g) has a constant pressure molar heat capacity of 29.14 Jmol -1 K -1. A system consists of
5.00
moles of CO(g), initially at 285 K and 0.750 bar. The surroundingsare at 285 K. The gas may be
assumed to be ideal. Calculate the entropy change for the system,the surroundings, and the
universe when the gas increases in volume by a factor of four ineach of the following processes:
(a) an adiabatic, reversible expansion
(b) an isothermal, reversible expansion