Question

Select the definition of diffusion. The gradual dispersal of one substance through another substance. The movement of a gas particle from one area to another. The escape of a gas through a small opening in a barrier into a region of lower pressure. The random motion of gas particles. Select the definition of effusion. The random motion of gas particles. The gradual dispersal of one substance through another substance. The escape of a gas through a small opening in a barrier into a region of lower pressure. The movement of a gas particle from one area to another.

Answer 1

The following are the definition for the following terms:

Explanation:

1.  Kinetic molecular theory:

(a) The particles that the compose a gas are so small compared to the distances between them that the volume of the individual particles can be assumed to be neglisible.

2.  The definition of a Diffusion:

(a) The movement of a gas particle from one area to another.

3.  The definition of Effusion:

(c) The escape of a gas thorugh a small opening in a barrier in to a region of lower pressure.