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The expression of the average speed of gaseous molecules is

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a
3RT/M
b
2RT/M
c
8RT/πM
d
8kBT/πM

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detailed solution

Correct option is C

The expression of the average speed of gaseous molecules is 8RT/πM

Where,

m is the molar mass of the substance, expressed in kilograms

T is the temperature

R is the universal gas constant equal 8.3144598 × 10-2 L.bar.K-1.mol-1

π Is constant equal to 3.14

As the name implies, average speed is the sum of the speeds of gas molecules.

Hence the correct option is C

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