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+1 vote
28.4k views
in Physics by (48.1k points)

Two cylinders A and B of equal capacity are connected to each other via a stop cock. A contains an ideal gas at standard temperature and pressure. B is completely evacuated. The entire system is thermally insulated. The stop cock is suddenly opened. The process is :

(1) isobaric

(2) isothermal

(3) adiabatic

(4) isochoric

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1 Answer

+1 vote
by (48.5k points)

Correct answer is (3) adiabatic

Free expansion i.e. expansion against vacuum is adiabatic in nature for all type of gases. It should be noted that temprature final temperature is equal to initial temperature for ideal gases.

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