Consider separate 1.0 L samples of the following gases at STP: Cl 2 , C 2 H 6 ,
ID: 943073 • Letter: C
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?
True False The C2H6 gas sample has the most molecules of gas present.
True False The mass of the gas in each container is the same.
True False Each Cl2 gas particle collision with the container wall is more forceful as compared to each C2H6 and Xe collision.
True False The Xe gas sample has the lowest density.
True False The C2H6 gas sample has the largest average kinetic energy.
True False The Xe gas molecules collide with the container walls most frequently.
Explanation / Answer
False statements
The mass of the gas in each container is the same.
The Xe gas sample has the lowest density.
The Xe gas molecules collide with the container walls most frequently.
Each Cl2 gas particle collision with the container wall is more forceful as compared to each C2H6 and Xe collision.
true statements
The C2H6 gas sample has the largest average kinetic energy.
The C2H6 gas sample has the most molecules of gas present.
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