Combined Gas Law: All three of the temp, pressure, volume laws can be combined to give the following equation:

As with the other gas laws, it doesn’t matter which units you use for pressure or volume, but temperature must be in Kelvins.

Example: a 2000ml baggie of air has a pressure of 1.1 atm in an oven that is at a

temperature of 95 ^oC. What is the baggie’s new volume when it is placed in a

weird, high-pressure freezer at 7.5 atm and a temp of -17 ^oC?

Now you try it: if a 330ml sample of air is at 99 kPa of pressure at a temperature of 350K, what would the pressure be if the volume went up to 420 ml and the temperature went down to 310K? Answer