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What amount of work is done if an ideal ...

What amount of work is done if an ideal gas is commpressed from 0.5 to 0.25 L under 0.1 atm pressure?

Text Solution

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We know, `w=-P_(ex)(V_(2)-V_(1))` [In case of compression `V_(2) lt V_(1)`]
Given: `P_(ex)=0.1atm,V_(1)=0.5L and V_(2)=0.25L`
`therefore w=-0.1(0.25-0.5)=0.025L*atm`
`=0.025xx101.3J=2.53J`
Therefore, work done on the gas=2.53J.
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