A 2.5 mol sample of an ideal gas with a molar specific heat Cv=5/2R always starts at pressure 1.50*105 Pa and temperature 350K. The gas is compressed adiabatically to 200kPa. Final pressure Pf = 200kPa Final volume Vf = 39.5L Final temperature Tf = 380K a) Determine the change in internal energy of the gas (ΔEint, in J). b) Determine the energy added to the gas by heat (Q, in J). c) Determine the work done on the gas (W, in J).

Introduction to Chemical Engineering Thermodynamics
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ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
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A 2.5 mol sample of an ideal gas with a molar specific heat Cv=5/2R always starts at pressure 1.50*10Pa and temperature 350K. The gas is compressed adiabatically to 200kPa.

Final pressure P= 200kPa

Final volume Vf = 39.5L

Final temperature Tf = 380K

a) Determine the change in internal energy of the gas (ΔEint, in J).

b) Determine the energy added to the gas by heat (Q, in J).

c) Determine the work done on the gas (W, in J).

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