8. An ideal gas from an initial state of 21°C and 1 atm is compressed adiabatically to 65.6°C followed by Isobaric cooling to 21°C and finally expanded isothermally to its original state. Calculate Q, W, AH. and AU for each step and for the entire process. If same changes are brought about by an irreversible process which quantity will differ and by how much? Take efficiency to be 75%. Cv =3/2R

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8. An ideal gas from an initial state of 21°C and 1 atm is compressed adiabatically to 65.6°C followed by
Isobaric cooling to 21°C and finally expanded isothermally to its original state. Calculate Q, W, AH. and AU for
each step and for the entire process. If same changes are brought about by an irreversible process which
quantity will differ and by how much? Take efficiency to be 75%. Cv =3/2R
Transcribed Image Text:8. An ideal gas from an initial state of 21°C and 1 atm is compressed adiabatically to 65.6°C followed by Isobaric cooling to 21°C and finally expanded isothermally to its original state. Calculate Q, W, AH. and AU for each step and for the entire process. If same changes are brought about by an irreversible process which quantity will differ and by how much? Take efficiency to be 75%. Cv =3/2R
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