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Calculate the kinetic energy of one mole of helium having RMS velocity K^2ms^-1.

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Calculate the kinetic energy of one mole of helium having RMS velocity K2ms-1.

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Helium molecule is monoatomic, M = 4g = 4 × 10-3 kg 

(KE)mole = 1/2 Mc2 = 3/2 x 4 x 10-3 x (102)2 

=  1/2 × 4 × 10 = 20J

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