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An office room contains about 2000 moles...

An office room contains about 2000 moles of air. The change in the internal energy of this much air when it is cooled from 34 °C to 24 °C at a constant pressure of 1.0 atm is
( Use `gamma_("air")=1.4` and universal gas constant=8.314 J/mol K)

A

`-1.9xx10^5J`

B

`+1.9xx10^5J`

C

`-4.2xx10^5J`

D

`+0.7xx10^5J`

Text Solution

Verified by Experts

The correct Answer is:
C
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TARGET PUBLICATION-KINETIC THEORY OF GASES AND RADIATION -Competitive thinking
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  2. For a rigid diatomic molecule, univerisal gas constant R = mc(p), wh...

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