States of Matter - Result Question 26

####26. The ratio between the root mean square speed of H2 at 50K and that of O2 at 800K is

(1996, 1M)

(a) 4

(b) 2

(c) 1

(d) 14

Show Answer

Solution:

  1. Expression of rms is, urms=3RTM

urms(H2 at 50K)urms(O2 at 800K)=3R×5023R×80032 =502×32800=1



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