Suppose you wish to study the effect of temperature on the volume of a gas by heating a gas in a cylinder and measuring the resulting changes in volume.

Question

What assumptions need to be made in order to study temperature and volume relationship?

Answer 1

One assumption to be made is that the pressure remains constant. This is related to Charles' Law

Other assumptions relate to the same assumptions made when using the Ideal Gas Law, namely...

1. the gas particles are tiny and are far apart
2. collisions of gas particles are elastic
3. gas particles are in continuous rapid, random motion
4. no interaction between gas particles
5. the temperature of the gas particles depends on the kinetic energy of the particles