6. Consider an ideal gas at 298 K which undergoes an isothermal expansion from a pressure of 10 bar to 1 bar for the four different processes given below. Determine the values per mole of q, w, AU, and AS. a) a reversible expansion. b) an irreversible free expansion (no external pressure). c) a reversible expansion where the gas and its surroundings are considered to be an isolated system. [-19.1 J K- mol-

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6. Consider an ideal gas at 298 K which undergoes an isothermal expansion from a pressure of 10 bar to 1
bar for the four different processes given below. Determine the values per mole of q, w, AU, and AS.
a) a reversible expansion.
b) an irreversible free expansion (no external pressure).
c) a reversible expansion where the gas and its surroundings are considered to be an isolated system.
d) an irreversible free expansion where the gas and its surroundings are considered to be an isolated sys-
[-19.1 J K-l mol-']
tem
Transcribed Image Text:6. Consider an ideal gas at 298 K which undergoes an isothermal expansion from a pressure of 10 bar to 1 bar for the four different processes given below. Determine the values per mole of q, w, AU, and AS. a) a reversible expansion. b) an irreversible free expansion (no external pressure). c) a reversible expansion where the gas and its surroundings are considered to be an isolated system. d) an irreversible free expansion where the gas and its surroundings are considered to be an isolated sys- [-19.1 J K-l mol-'] tem
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