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  • Equal amount  (mass) of methane and ethane have their total translational kinetic enegy in the ratio  

Equal amount  (mass) of methane and ethane have their total translational kinetic enegy in the ratio  3 : 1  then their temperature are in the ratio.

Option: 1

5:8


Option: 2

45:8


Option: 3

15:8


Option: 4

8:5


Answers (1)

best_answer

 

Kinetic Theory of Gases -

Though the individual speeds are changing, the distribution of speeds remains constant at a particular temperature.

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Kinetic Theory of Gases -

Average kinetic energy of the gas molecules is directly proportional to the absolute temperature.

 

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E_{1}=\frac{3}{2}\times \frac{M}{16}RT_{1}

E_{2}=\frac{3}{2}\times \frac{M}{30}RT_{2}            \Rightarrow \frac{E_{1}}{E_{2}}=\frac{30}{16}\frac{T_{1}}{T_{2}}

\frac{3}{1}=\frac{30}{16}\frac{T_{1}}{T_{2}}                            \Rightarrow \frac{T_{1}}{T_{2}}=\frac{8}{5}

Posted by

Kshitij

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