A gas mixture consists of 3 moles of oxygen and 5 moles of argon at temperature T . Assuming the gases to be ideal and the oxygen bond to be rigid, the total internal energy (in units of R T ) of the

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A gas mixture consists of 3 moles of oxygen and 5 moles of argon at temperature T . Assuming the gases to be ideal and the oxygen bond to be rigid, the total internal energy (in units of R T ) of the mixutre is :

TestHub · Accepted Answer

f 1 n 1 R T 1 2 + f 2 n 2 R T 2 2 = 3 × 5 2 R T + 5 2 × 3 R T = 15

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