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Question

The kinetic energy (in cal.) of 4 moles of nitrogen gas at 127oC is:


[R= 2 calmol1K1 ]

A
4400
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B
3200
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C
4800
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D
1524
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Solution

The correct option is C 4800
K.E=32nRT

K.E=3×4×2×4002

Thus, KE=4800cal

Hence, option C is correct.

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