Question

How much faster do ammonia (NH3) molecules effuse than carbon monoxide (CO) molecules? Enter the ratio of the rates of effusion. Express your answer numerically using three significant figures. View Available Hint(s) rate of NH3 effusionrate of CO effusionr a t e o f N H 3 e f f u s i o n r a t e o f C O e f f u s i o n = nothing

Answer 1

The molecules of ammonia will effuse 1.28 times faster than carbon monoxide.

Step-by-step explanation:

The kinetic molecular theory tells us that

Vrms = √(3RT/MW) where vrms is the root mean square velocity of an ideal gas

So vrms is inversely proportional to MW and so will be the rate of effusion. Comparing ammonia and co we have:

rate (NH3)/rate(CO) = √MWCO/√MWNH3 = √28.01/√17.03 = 1.28

rate(NH3) = 1.28 rate CO