(c) An ideal monoatomic gas at 1 bar and 300 K is expanded adiabatically against a constant pressure of 0.5 bar until the final pressure is 0.5 bar. Given that the Cv is 1.5R, calculate (iii) (iv) enthalpy per mole. internal energy per mole.

(c) An ideal monoatomic gas at 1 bar and 300 K is expanded adiabatically against a constant pressure of 0.5 bar until the final pressure is 0.5 bar. Given that the Cv is 1.5R, calculate (iii) (iv) enthalpy per mole. internal energy per mole.

Physical Chemistry

2nd Edition

ISBN:9781133958437

Author:Ball, David W. (david Warren), BAER, Tomas

Publisher:Ball, David W. (david Warren), BAER, Tomas

Chapter2: The First Law Of Thermodynamics

Section: Chapter Questions

Problem 2.22E: What is the change in internal energy when a gas contracts from 377mL to 119mLundera pressure of...

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Question

(c) An ideal monoatomic gas at 1 bar and 300 K is expanded adiabatically
against a constant pressure of 0.5 bar until the final pressure is 0.5 bar.
Given that the Cy is 1.5R, calculate
(iii)
(iv)
enthalpy per mole.
internal energy per mole.

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(c) An ideal monoatomic gas at 1 bar and 300 K is expanded adiabatically against a constant pressure of 0.5 bar until the final pressure is 0.5 bar. Given that the Cy is 1.5R, calculate (i) (ii) heat per mole. work per mole.
P3A.2 A sample consisting of 0.10 mol of perfect gas molecules is held by a piston inside a cylinder such that the volume is 1.25 dm²; the external is constant at 1.00 bar and the temperature is maintained at 300 Kby a thermostat. The piston is released so that the gas can expand. Calculate (a) the volume of the gas when the expansion is complete; (b) the work done when the gas expands; (c) the heat absorbed by the system. Hence calculate ASor pressure
Plz..... Answer ASAP