Consider separate 1.0 L samples of the following gases at STP: Cl2, C2H6, and Xe

Question

Consider separate 1.0 L samples of the following gases at STP: Cl2, C2H6, and Xe. Which of the following statements are true regarding these gas samples?

The C2H6 gas sample has the smallest average kinetic energy.

The mass of the gas in each container is the same.

The C2H6 gas molecules collide with the container walls most frequently.

The C2H6 gas sample has the lowest density.

Each Cl2 gas particle collision with the container wall is more forceful as compared to each C2H6 and Xe collision.

The Cl2 gas sample has the most molecules of gas present.

Explanation / Answer

Consider separate 1.0 L samples of the following gases at STP: Cl2, C2H6, and Xe.

True statements regarding these gas samples are,

The C2H6 gas sample has the lowest density.

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