Q3/ One mole of an ideal gas, initially at 40°C and 1 bar, is changed to 120°C and 15 bar by three different mechanically reversible processes: (a)The gas is first heated at constant volume until its temp. Is 120°C. Then it is compressed isothermally until is pressure is 15 bar. (b) The gas is first heated at constant pressure until its temp. Is 120°C, then it is compressed isothermally to 15 bar. (c) The gas is first compressed isothermally to 15 bar; then it is heated t constant pressure to 120°C. Calculate Q, W,AH,Au in each case Take Cp-R and Cv=R.
Q3/ One mole of an ideal gas, initially at 40°C and 1 bar, is changed to 120°C and 15 bar by three different mechanically reversible processes: (a)The gas is first heated at constant volume until its temp. Is 120°C. Then it is compressed isothermally until is pressure is 15 bar. (b) The gas is first heated at constant pressure until its temp. Is 120°C, then it is compressed isothermally to 15 bar. (c) The gas is first compressed isothermally to 15 bar; then it is heated t constant pressure to 120°C. Calculate Q, W,AH,Au in each case Take Cp-R and Cv=R.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Transcribed Image Text:Q3/ One mole of an ideal gas, initially at 40°C and 1 bar, is changed to 120°C and
15 bar by three different mechanically reversible processes:
(a)The gas is first heated at constant volume until its temp. Is 120°C. Then it is
compressed isothermally until is pressure is 15 bar.
(b) The gas is first heated at constant pressure until its temp. Is 120°C , then it is
compressed isothermally to 15 bar.
(c) The
gas
is first compressed isothermally to 15 bar; then it is heated t constant
pressure to 120°C.
Calculate Q, W,AH ‚Au in each case Take Cp=(;)R and Cv- R.
2
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