© Dr. Steve Rapp, 2005

Combined Gas Law

©Involves pressure, temperature,
and volume. These are related
in the following way:

©__P____1____ V____1__ = __P____2____ V____2__

T1

T2

Example: A gas at 59 kPa has a volume of 500 cm3

and a temperature of 150O C.
What is the new

volume at 20 kPa and
100O C?