One mol of a perfect, monatomic gas expands reversibly and isothermally at 300 k from a pressure of 10 atm to a pressure of 2 atm. determine the value of q, w.

(b) now assume the gas expands by the same amount again isothermally but now irre-

versibly against 1 atm pressure (instead of reversible expansion) and calculate again q, w, delta u and delta h.

Explanation:

Given

1 mole of perfect, monoatomic gas

initial Temperature

Work done in iso-thermal process

=initial pressure

=Final Pressure

Since it is a iso-thermal process therefore q=w

Therefore q=39.64 J

(b)if the gas expands by the same amount again isotherm-ally and irreversibly

work done is

answer: (431,2)

step-by-step explanation:

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