Chemistry Practice Problems Effusion Practice Problems Solution: A thin glass tube 1 m long is filled with Ar gas a...

🤓 Based on our data, we think this question is relevant for Professor Petrovich's class at NCSU.

Solution: A thin glass tube 1 m long is filled with Ar gas at 1 atm, and the ends are stoppered with cotton plugs: HCl gas is introduced at one end of the tube, and simultaneously NH3 gas is introduced at the other end. When the two gases diffuse through the cotton plugs down the tube and meet, a white ring appears due to the formation of NH4Cl(s).At which location - a, b, or c - do you expect the ring to form?

Problem

A thin glass tube 1 m long is filled with Ar gas at 1 atm, and the ends are stoppered with cotton plugs: A diagram shows a horizontal glass tube with cotton plugging both ends. From left to right, points a, b and c are evenly spaced along the tube. HCl enters from the left and NH3 from the right.

HCl gas is introduced at one end of the tube, and simultaneously NH3 gas is introduced at the other end. When the two gases diffuse through the cotton plugs down the tube and meet, a white ring appears due to the formation of NH4Cl(s).

At which location - a, b, or c - do you expect the ring to form?

Solution

 When comparing the rate or speed of two gases, use Graham’s Law of Effusion

Solution BlurView Complete Written Solution