Which of the following gases has the highest average speed at 400K? A)HCN B)O₂ C)Xe D)BF₃

Name: Which of the following gases has the highest average speed at 400K? A)HCN B)O 2 C)Xe D)BF 3
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Question

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The average speed of a gas is inversely proportional to the square root of its molar mass. HCN has the lowest molar mass among the given gases, resulting in the highest average speed at the same temperature.

Which of the Following Gases Has the Highest Average Speed