QJEEM22Ph4392: JEE Main 2022 Physics - Class 11 JEEM22Ph4392 Solution: A diatomic gas ( γ = 1.4) does 400J of work when it is expanded …

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A diatomic gas ( $γ$ = 1.4) does 400J of work when it is expanded isobarically. The heat given to the gas in the process is __________ J.

Accepted Answer

W = nR $Δ$ T = 400 J

$∴$ $Δ$ Q = nC_P $Δ$ T

$= n \times \frac{7}{2} R \times Δ T = \frac{7}{2} \times (400) = 1400$

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