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First Law of Thermodynamics

An ideal gas ...

Question

An ideal gas is kept in a 5-litre cylinder at a pressure of 15 atm. In 30 minutes the gas is allowed to enter slowly into an evacuated vessel of $500 L$ capacity. Total work done during the process of expansion is?

A

2500 L

atm

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B

7500 L

atn

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C

7425 L

atm

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D

0

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Solution

The correct option is C 0
No Work is done during free expansion of an ideal gas whether the reaction is reversible or irreversible.
W = 0

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