alleryStart learning →At equal temperature, how many times faster is the rms speed of H2 (molar mass 2) than O2 (32)?
A2 times
B16 times
C8 times
D4 times
Answer & Solution
Correct answer: D. 4 times
vrms goes as 1/sqrt(M0), so the ratio is sqrt(32/2) = sqrt(16) = 4.
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