# Question #9628d

Apr 10, 2016

The simplest complete form IS the combined law form, or Ideal Gas Law.
${\left(\frac{P V}{T}\right)}_{1} = {\left(\frac{P V}{T}\right)}_{2}$ is applicable in all situations.

#### Explanation:

Combining the relationships of each of the other general laws, ${\left(P \frac{V}{T}\right)}_{1} = {\left(P \frac{V}{T}\right)}_{2}$ is applicable in all situations.

The other primary one to remember is the relationship to moles:
PV = nRT.
Here you need to be careful to use the correct “gas constant”, R, which has different values for different dimensions.