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pallavi pradeep bhardwaj Grade: 12
        

The rms velocity of molecule in a sample of helium gas is 5/7th of the molecules in the sample of hydrogen If the temperature of hydrogen samples is 0 degree celcius then the temperature of helium sample about

7 years ago

Answers : (1)

Badiuddin askIITians.ismu Expert
147 Points
										

Dear pallvi


 we know


Vrms = √3RT/M


Vrms(H)  =√3R273/2


Vrms(He) = √3RT/4


 


Vrms(He) =5/7 Vrms(H)


√3RT/4  =5/7 { √3R273/2 }


T/4  = 25/49 {273/2}


T=278.57 K


  = 5.57 C


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7 years ago
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