Helium atom is two times heavier than a hydrogen molecule. At 298 K, t – McqOptions

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1.	Helium atom is two times heavier than a hydrogen molecule. At 298 K, the average kinetic energy of a helium atom is?
A.	Same as that of a hydrogen molecule
B.	Two times that of a hydrogen molecule
C.	Four times that of a hydrogen molecule
D.	Half that of a hydrogen molecule
Answer» B. Two times that of a hydrogen molecule

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