NAME _______________________________ PERIOD ____ DATE __________________
CHEMISTRY WORKSHEET: Boyle’s Law
Boyle’s Law - Volume of a gas is inversely proportional to the pressure when T & n are constant.
Pressure can be measured in any unit as long as it is the same on both sides of the equation,
P1 V1 = P2 V2
Solve the following:
1. 500. mL of gas at 800.0 torr will have what volume at standard pressure (STP)?
P1=
V1=
P2= 760 torr
V2=
2. What pressure will be needed to change 4.67 L of gas 45 psi to 2.00 L?
P1=
V1=
P2=
V2=
3. How will the volume of hydrogen in a balloon be affected if the pressure changes from
5.00 atm to 3.00 atm? (HINT: pick a nice easy, lonely #, volume and unit that rhymes with Peter)
P1=
V1=
P2=
V2=
4. What is the final pressure in mmHg of 385 cm3 of gas if it had a volume of 520 cm3 at 3.0 atm.
P1=
V1=
P2=
V2=
5. If 5.00 L of gas at STP will have what volume if the pressure changes to 55 psi and the
temperature remains the same ?
P1=
V1=
P2=
V2=
CHEMISTRY WORKSHEET: Charles’ Law
Charles’ Law - Volume of a gas is directly proportional to the Kelvin temperature when P & n are
constant. NOTE: All temps (T) must be in Kelvin, not Celsius (t).
Converting oCelsius to Kelvin is done by adding 273
to the Celsius temperature, and vice versa.
V1 = V2
T1
T2
1. Gas in a ballon occupies about 2.5 L at 27oC. At what Kelvin temperature will the balloon
expand to 7.5 L? Also, what is the Celsius temperature?
V1 =
T1=
V2 =
T2=
2. The balloon in #1 (at the initial volume) is dipped into liquid nitrogen that is at a
temperature of -193 oC. What volume in mL will the balloon occupy at this temperature?
V1 =
T1=
V2 =
T2=
3. A volume of gas occupies 24 m3 at -173 oC. What volume will is occupy at 127 oC?
V1 =
T1=
V2 =
T2=
4. A child receives a balloon filled with 2.30 L of helium from a vendor at an amusement park.
The outside temperature is 38 oC. What will the volume of the balloon be when the child
brings the balloon home to an air-conditioned house where the temperature is 22 oC?
V1 =
T1=
V2 =
T2=
5. If a gas at STP occupies 25.0 L, what will the temperature be in OC if the volume is
increased to 61.7 L .
V1 =
T1= 273 K
V2 =
T2=