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Two tanks of equal volumes contain equal...

Two tanks of equal volumes contain equal masses of hydrogen and helium at the same temperature. Then :

A

The pressure of hydrogen is half that of helium

B

The pressure of hydrogen is double that of helium

C

The translational kinetic energy of all the molecules of hydrogen is double of that of all the molecules of helium

D

The total kinetic energy of all the molecules of hydrogen is more than double of that of all the molecules of helium

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