Alyvia Melendez

Chemistry

1 October, 13:01

The experimental apparatus represented above is used to demonstrate the rates at which gases diffuse. When the cotton balls are placed in the ends of a tube at the same time, the gases diffuse from each end and meet somewhere in between, where they react to form a white solid. Which of the following combinations will produce a solid closest to the center of the tube?

(A) HCl and CH, NH

(B) HCI and NHs

(C) HBr and CHNH,

(D) HBr and NH