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jauneet singh Grade: 12
        a sample contain N moles of diatomoc gas at temp T.molecules of gas gas get dissociated into atoms remaning temp constant.Find the change in the internal energy
7 years ago

Answers : (1)

AskiitianExpert Pramod-IIT-R
47 Points
										when gas is diatomic 

U1 = nCv * T
= N * 5/2 * R * T

when gas converted to mono atomic
U2 = 2N * 3/2 * R * T

U1-U2 = N * 5/2 * R * T - 2N * 3/2 * R * T
= NRT (2.5-3.0) = -0.5NRT

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Pramod Kumar
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7 years ago
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