HCL and NH3 gases were inserted into opposite ends of a tube. Which gas is expected to travel faster?

hcl-and-nh3-gases

#1

HCL and NH3 gases were inserted into opposite ends of a tube. Which gas is expected to travel faster? Which gas is expected to travel farther?

Answer:

NH3 is expected to travel faster as it has lighter molar mass.
NH3 is expected to travel farther as it has higher velocity.