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  • A flask contains Hydrogen and Argon in the ratio 2 : 1 by mass. The temperature of the mixture is <img alt="30\degree\, C" src="https://entrancecorner.oncodecogs.com/gif.latex?30%5Cdegree%5C%2C%20C

A flask contains Hydrogen and Argon in the ratio 2 : 1 by mass. The temperature of the mixture is 30\degree\, 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)

Option: 1

2


Option: 2

 39.9 


Option: 3

 1 


Option: 4

\frac{39.9}{2}


Answers (1)

best_answer

Kinetic energy per molecule =       \begin{aligned} & \frac{3}{2} \mathrm{k}_{\mathrm{B}} \mathrm{T} \\ & \propto T \end{aligned}

\frac{\mathrm{k}_{\mathrm{Ar}}}{\mathrm{k}_{\mathrm{H}_2}}=\frac{\mathrm{T}}{\mathrm{T}}=1

 

Posted by

Divya Prakash Singh

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