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A diatomic gas with rigid molecules does...

A diatomic gas with rigid molecules does 10J of work when expanded at constant pressure. The heat energy absorbed by the gas, in this process is ___________ (in J).

A

`30 J`

B

`40 J`

C

`25 J`

D

`35 J`

Text Solution

Verified by Experts

The correct Answer is:
D
`nRtriangleT=10`
`triangle4= nC_vtriangleT=? Implies (10)/(R )xx (5)/(2)R= (50)/(2)J " "{C_v= (5R)/(2)}`
Hence `Q=triangleu +W`
`Q=35J`.
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