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0.25 moles ofa monatomic ideal gas starts from point a (400Pa and Im3) in the diagram as shown. It undergoes a constant press0.25 moles ofa monatomic ideal gas starts from point a (400Pa and Im) in the diagram as shown expansion from a to b (2m3); a

0.25 moles ofa monatomic ideal gas starts from point a (400Pa and Im3) in the diagram as shown. It undergoes a constant pressure expansion from a to b (2m3); an isothermal process from b to c (3.2m3); a constant volume process c to d (125Pa); and an isothermal compression from d back to a. Problems 2-5 400 b a 300 2a. Find the temperature values Ta, Tb, Te and Td. 200 100 3 4 1 2 volume (m3) 2b. Find values for the heat added along the processes Qab and Qbc. 3. Find values for the change in entropy along each the first two processes ASab and 4Sbc pressure (Pa)
0.25 moles ofa monatomic ideal gas starts from point a (400Pa and Im') in the diagram as shown expansion from a to b (2m3); an isothermal process from b to c (3.2m3); a constant volume process c to d (125Pa); and an isothermal compression from d back to a. Problems 2-5 400 b a It undergoes a constant pressure 300 4. Find values for the work done along the four processes Wab, Wbc, Wed and Wda and the total work for one cycle W 200 100 0 1 2 4 volume (m3) 5a. Find a value for the efficiency of this process. (You do not need to simply this fraction.) 5b. Find a value for the efficiency of a Carnot engine operating between these two temperatures. pressure (Pa)
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Answer #1

MONOATOM 1C GAS DEGNEE OF FREEDOM f 3 #oP MOLES n pi25 Pa Va pUE 2 (a) 192.45 k VR O.25X8.314 Th- H0OX 2 384.89K 0.257 831 To

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