A lab bench has three one liter stoppered flasks. Flask A contains one gram of N

Question

A lab bench has three one liter stoppered flasks. Flask A contains one gram of NH3 gas, flask B contains one gram of N2 gas, and flask C contains one gram of SO2 gas. All are at the same temperature. 1) Which flask has the greatest pressure? a,b,c, they're all the same or none 2) Which flask has the fewest molecules? a,b,c, they're all the same or non 3) Which flask has the molecules with the greatest average speed (velocity)? a,b,c, they're all the same or non 4) Which flask has molecules with the greatest average kinetic energy? a,b,c, they're all the same, or none 5) Which flask has gas with the greatest density? a,b,c, they're all the same or none

Explanation / Answer

1) pressure is proportional to no. of moles so the pressure will be greater in Flask A . 2) flask C 3) speed is inversely proportional to square root of molar mass so greatest speed FLASK A MOLECULES 4) flask A 5)flask A

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