Q. (A flask contains Hydrogen and Argon in the ratio 2:1 by mass. The temperature of the mixture is 30°C. The ratio of average kinetic energy per molecule of the two gases (K argon/K hydrogen) is: (Given: Atomic Weight of Ar = 39.9)
(JEE mains 2023)
1. 1
2.2
3. 39.9/2
4.39.9
Ans. (1)
Average KE per molecule = -3/2 kT
K1/k2 = 1/1
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