Overview

Gases do not have definite shape and volume. They attain the shape and volume of the container.  Gases are highly compressible. They disperse in the available space in response to differences in concentration of gases. This phenomenon is termed as diffusion of gases.

Learning objectives

After completing this module, you will be able to:
 - Illustrate that gases do not have definite shape and volume.
 - Explain that gases occupy the whole space available to them.
 - Describe that gases have unlimited diffusibility.
 - Explain that gases have high compressibility.