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The average molecular speed in a sample of xe gas at a certain temperature is 218...

The average molecular speed in a sample of xe gas at a certain temperature is 218 m/s.

The average molecular speed in a sample of kr gas is____ m/s at the same temperature.

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Answer: Average molecular speed in a sample of Kr gas is 272.5 m/s at the same temperature. We can observe that the increase in average molecular speed from xenon to krypton is due to the fact that molecular mass is inversely proportional to average molecular speed. Image given below consist formula which is used for the calculation of average molecular speed.

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