Identify the Law
Name the law.
PV=nRT
Ideal Gas Law
What unit do we measure volume in?
Liters
What are the 2 common units we use for pressure?
atm
kPa
What defines absolute zero?
When all of the particles stop moving completely
Most of the volume of a gas is made up of _____ _____.
empty space
Name the law.
P1V1 = P2V2
Boyle's Law
Name the law.
V1 = V2
n1 n2
Avogadro's Law
What 2 units do we measure temperature in?
celsius
kelvin
What defines temperature?
measure of the average kinetic energy of particles
What is the value of R?
8.31 when using kPa
Name the law.
P1V1 = P2V2
T1 T2
Combined Gas Law
A balloon contains 30 L of helium gas at 109 kPa. Calculate the volume of the helium when the balloon rises to an altitude where the pressure is only 45 kPa.
72.6 L
A 23.8 L balloon is filled with 2 moles CO2 at 15 degrees C, what is the pressure in kPa?
201.12 kPa
What does KMT stand for?
Kinetic Molecular Theory
340 K
Name the law.
V1 = V2
T1 T2
Charles' Law
A balloon inflated in a room at 299 K has a volume of 8 L. The balloon is then heated to a temperature of 321 K. Calculate the new volume using the change in temperature.
8.59 L
You have a sample of gas with a pressure of 1.86 atm, volume of 4.33 L, and temperature of 26.5 °C. If you cool it to 12.7 °C and decrease the volume to 3.45 L, what will the pressure be?
2.23 atm
What defines thermal equilibrium?
No more heat transfers between objects and the temperatures are equal
gas
Name the law.
P1 = P2
T1 T2
Gay-Lussac's Law
The pressure in an automobile tire is 1.88 atm at 318 K. What will be the pressure if the temperature warms up to 330 K?
1.95 atm
A sample of gas occupies 2.00 L with 5 moles present. What would happen to the volume if the number of moles is increased to 10.0?
4L
What is collision theory?
Bonds are broken and reformed when particles collide with enough energy and correct orientation
What is the difference between diffusion and effusion?