Question

At 400 K, the root mean square (rms) speed of a gas X (molecular weight = 40) is equal to the most probable speed of gas Y at 60 K. The molecular weight of the gas Y is​

Answer 1

Answer:

Urms=UMP

⇒3RTMx−−−−√=2RTMy−−−−√

⇒3R×40040−−−−−−−√=2R×60My−−−−−−√

⇒My=4

Hence answer is 4

Answer 2

Answer:

check the attachment☻♡☻