Arrange the following gases in order of increasing rate of effusion at 298 deg K. (Hint: Look up the correct chemical formulas of these.) You shouldn’t have to do any calculations.

a. Xenon
b. Hydrogen chloride
c . Propane
d. Carbon monoxide

Question

Arrange the following gases in order of increasing rate of effusion at 298 deg K. (Hint: Look up the correct chemical formulas of these.)  You shouldn’t have to do any calculations.  

a.  Xenon      
b.  Hydrogen chloride          
c .  Propane                
d.  Carbon monoxide

aaronq · Answer

higher mass = slower effusion

anonymous · Answer

That I knew and I thought I did it correctly, turns out I just had it backwards! Thanks