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12 June, 18:05

At 80 K, the particles of a gas have:

A) twice the average kinetic energy of the same particles at 40K.

B) half the average kinetic energy of the same particles at 40K.

C) one-fourth the average kinetic energy of the same particles at 20K.

D) None of these

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  1. 12 June, 18:29
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    Answer A: twice the average kinetic energy of the same particles at 40K

    As the temperature increases, the particles move more faster, thus they have more kinetic energy.
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