Subrat posted an Question
September 25, 2020 • 22:34 pm 30 points
  • IIT JAM
  • Physics (PH)

Q21. consider a mixture of oxygen and hydrogen kept at room temperature. as compared to a hydrogen molecule an oxygen molecule an oxygen molecule hits the wall

Q21. Consider a mixture of oxygen and hydrogen kept at room temperature. As compared to a hydrogen molecule an oxygen molecule an oxygen molecule hits the wall (a) with greater average speed (b) with smaller average speed (c) with greater average kinetic energy (d) with smaller average kinetic energy

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    Ruby negi best-answer

    Considering the Vrms​ when the gas molecule are at room temperature Vrms​=(3KT/m)^1/2 Hence, V is inversely proportional to m of the gas and we know that m of oxygen > m of hydrogen v of oxygen < v of hydrogen so option a is correct...

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    according to your concept, opt b should be correct.

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    Dhairya sharma

    option B is correct

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    the everage kinetic energy is same for both at particular temperature but average speed of oxygen is 4 times smaller than hydrogen.

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