What is the root-mean-square speed of a h2 molecule

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The root-mean-square speed of CH4 molecules at 25°C is about 0.56 km/s. What is the root-mean-square speed of a H2 molecule at 25°C?

A) 0.070 km/s
B) 0.20 km/s
C) 1.1 km/s
D) 1.6 km/s
E) 4.5 km/s

Reference no: EM13168944

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