MEDIUMMCQ SINGLEJEE Advanced ChemistryPhysical ChemistryGaseous stateMaxwell's distribution of molecular speeds

The average velocity of an ideal gas molecule at 27ºC is 0.3 m/s. The average velocity at 927º C will be

A.0.6 m/s✓ Correct

B.0.3 m/s

C.0.9 m/s

D.3.0 m/s

Explanation

Given- o 1 o 2 1 T 27 C (27 273)K 300K T 927 C (927 273)K 1200K Average velocity,u 0.3m / s We Know that, 1 1 2 2 1 2 1 2 1 2 1 2 1 Average speed 8RT / M u for temperature T , u for temperature T u / u T / T u / u 300 /1200 1/ 2. u 2 u 0.6ms x

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