Which of the following gases will have the highest average speed at the same tem

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Question: Which of the following gases will have the highest average speed at the same temperature?

Options:

Correct Answer: Hydrogen (H2)

Solution:

Hydrogen (H2) has the lowest molar mass, thus it will have the highest average speed according to the kinetic theory.

Which of the following gases will have the highest average speed at the same temperature?

Which of the following gases will have the highest average speed at the same temperature?

Step 1: Understand that gases move at different speeds depending on their mass.
Step 2: Know that lighter gases move faster than heavier gases at the same temperature.
Step 3: Identify the molar mass of the gases in question. For example, hydrogen (H2) has a low molar mass.
Step 4: Compare the molar masses of the gases. The gas with the lowest molar mass will have the highest average speed.
Step 5: Conclude that hydrogen (H2) has the lowest molar mass among common gases, so it will have the highest average speed.

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