2.0 mol of CO2 gas (assumed to be a perfect gas with Cv,m = 28.8 JK-1mol-1) is in a cylinder with a massless piston of cross-section 100 cm2 at 10°C and 9.0 atm. The gas expands adiabatically against an external pressure of 1.5 atm until the piston moves 15 cm. Calculate (a) q; (b) w; (c) ΔU; (d) ΔT; (e) ΔS for this process.

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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2.0 mol of CO2 gas (assumed to be a perfect gas with Cv,m = 28.8 JK-1mol-1) is in a cylinder with a massless piston of cross-section 100 cm2 at 10°C and 9.0 atm. The gas expands adiabatically against an external pressure of 1.5 atm until the piston moves 15 cm. Calculate (a) q; (b) w; (c) ΔU; (d) ΔT; (e) ΔS for this process.

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