One mole of He gas with Cym = 3R/2 essentially inde- pendent of temperature expands reversibly from 24.6 L and 300 K to 49.2 L. Calculate the final pressure and temperature if the expansion is (a) isothermal; (b) adiabatic. (c) Sketch these two processes on a P-V diagram.

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One mole of He gas with Cym = 3R/2 essentially inde-
pendent of temperature expands reversibly from 24.6 L and
300 K to 49.2 L. Calculate the final pressure and temperature if
the expansion is (a) isothermal; (b) adiabatic. (c) Sketch these
two processes on a P-V diagram.
Transcribed Image Text:One mole of He gas with Cym = 3R/2 essentially inde- pendent of temperature expands reversibly from 24.6 L and 300 K to 49.2 L. Calculate the final pressure and temperature if the expansion is (a) isothermal; (b) adiabatic. (c) Sketch these two processes on a P-V diagram.
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