Consider separate 1.0 L samples of the following gases at STP: Cl 2 , C 2 H 6 ,

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?


TrueFalse The C2H6 gas sample has the most molecules of gas present.

TrueFalse The Xe gas molecules collide with the container walls most frequently.

TrueFalse The Xe gas sample has the largest average kinetic energy.

TrueFalse The C2H6 gas sample has the lowest density.

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

TrueFalse The mass of the gas in each container is different.

Explanation / Answer

false mass will be different but number of molecules will be same
true The Xe gas molecules collide with the container walls most frequently due to large size.

false The Xe gas sample has the smalest average kinetic energy due to large and havy mass.

true The C2H6 gas sample has the lowest density due to small mass and same voume for all gas.

False Cl2 gas particle collision with the container wall is less forceful as compared to Xe collision.
True The mass of the gas in each container is different. because molar mass is different due to number of moles is equal to all but different molar mass

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