In which sample do molecules have the greatest average kinetic energy? A.) He at 100 K. B.) H2 at 200 K. C.) O2 at 300 K. D.) H2O at 400 K.

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Chemistry

Gentry

1 April, 14:31

In which sample do molecules have the greatest average kinetic energy? A.) He at 100 K. B.) H2 at 200 K. C.) O2 at 300 K. D.) H2O at 400 K.

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Eve Terrell · Answer 1

D.) H2O at 400 K, it doesn't really matter what the compound is, but only its temperature. Temperature is the average kinetic energy of the sample that we take, so the highest temperature indicates the greatest average kinetic energy.