At a certain temperature "oxygen" molecules have r.m.s. velocity 2 km/ – McqOptions

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1.	At a certain temperature "oxygen" molecules have r.m.s. velocity 2 km/s. What is the r.m.s. velocity (in km/s) of hydrogen molecules at that temperature?
A.	4
B.	8
C.	0.5
D.	16
Answer» C. 0.5

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