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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
One mole of an ideal gas, initially at 303.15 K (30°C) and 1 bar, is changed to 403.15 K (130°C) and 10 bar by three different mechanically reversible processes:
The gas is first heated at constant volume until its temperature is 403.15 K ( 1 30°C); then it is compressed isothermally until its pressure is 10 bar.
The gas is first heated at constant pressure until its temperature is 403.15 K (130°C); then it is compressed isothermally to 10 bar.
The gas is first compressed isothermally to 10 bar; then it is heated at constant pressure to 403.15 K (130°C).
Calculate Q, W,
U, and AH in each case. Take Cp = (7/2)R and Cv = (5/2)R. Alternatively, take Cp = (5/2)R and Cv = (312)R.
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