meerkat18 meerkat18

26-12-2016
Chemistry

Answered

Which of the following gases will have the slowest rate of effusion at a given temperature?

N2

H2

He

Ar

Verified Answer :

djsdoodle djsdoodle

26-12-2016

The answer is Ar.
Rate of effusion is inversely proportional to molecular weight. Of the four choices, Ar has the highest molecular weight and consequently the lowest rate of effusion.

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