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Posted: **Tue Jul 05, 2022 9:15 am**

: Use The References To Access Important Values If Needed For This Question The Average Molecular Speed In A Sample Of He 1 (15.87 KiB) Viewed 12 times

: Use The References To Access Important Values If Needed For This Question The Average Molecular Speed In A Sample Of He 2 (15.23 KiB) Viewed 12 times

Use the References to access Important values if needed for this question. The average molecular speed in a sample of He gas at a certain temperature is 1.26x10³ m/s. The average molecular speed in a sample of Os gas is m/s at the same temperature.
Use the References to access Important values if needed for this question. The rate of effusion of He gas through a porous barrier is observed to be 5.12 x 10 mol/h. Under the same conditions, the rate of effusion of Ar gas would be mol/h.