Consider three 1-L flasks at STP.Flask A contains NH 3 gas,flask B contains NO 2 gas,and flask C contains N 2 gas.
-In which flask do the molecules have the highest average velocity?
A)Flask A
B)Flask B
C)Flask C
D)All are the same.
E)More information is needed to answer this.

Question

Quizplus · Accepted Answer

The average velocity of gas molecules is inversely proportional to the square root of their molar mass. Flask A contains the lightest gas (NHS1U1B13S1U1B0), so it has the highest average velocity.

Consider Three 1-L Flasks at STP