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First Law of Thermodynamics

Temperature o...

Question

Temperature of $1 m o l e$ of a gas is increased by $2^{o} C$ at constant pressure, work done is

A

R

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B

2 R

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C

R / 2

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D

3 R

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Solution

The correct option is B $2 R$
$W = n R Δ T$
$= 1 m o l R J K^{- 1} m o l^{- 1} 2 K$
$= 2 R j o u l e s$
Hence,
option $(B)$ is correct answer.

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