Boyle's Law
What is the formula for Boyle's law?
P1V1=P2V2
What is the formula for Charles' law?
V1/T1 = V2/T2
What is the formula for Gay-Lussac's law?
P1/T1 = P2/T2
What is the formula for the combined gas law?
P1V1/T1 = P2V2/T2
What is the formula for the ideal gas law?
PV = nRT
According to Boyle's law if pressure increases volume should _____________ this is a(n) __________ relationship
(a)decrease, direct (b)decrease, indirect (c)increase, direct (d) increase, indirect
(b)decrease, indirect
According to Charles' law if temperature increases volume should _____________, this is a(n) __________ relationship
(a)decrease, direct (b)decrease, indirect (c)increase, direct (d) increase, indirect
(c)increase, direct
According to Gay-Lussac's law, if temperature decreases pressure should _____________, this is a(n) __________ relationship
(a)decrease, direct (b)decrease, indirect (c)increase, direct (d) increase, indirect
(a)decrease, direct
Rearrange the combined gas law formula to solve for P2 P1V1/T1 = P2V2/T2
P2= P1V1T2/T1V2
Write the value for the constant R including units.
R = 0.0821 L atm / mol K
A gas with a volume of 2.2 L at 140 kPa expands to fill a 4.4L container. If the temperature remains constant what is the pressure in the new container? P1= 140kPa, V1= 2.2L, V2= 4.4L, P2=?
P2= 70 kPa
An inflated balloon has a volume of 3.85L at 297 K. The balloon is placed in a refrigerator and cooled to 277 K. What is the new volume of the balloon? Assume the pressure does not change.
V1=3.85 L, T1=297 K, T2= 277 K, V2=
V2 = 3.59L
P1= 4 atm, P2= 12 atm, T1=?, T2= 375 K
T1 = 125 K
V1 = 84.6 L, T1 = 298 K, P1 = 101.3kPa ,
V2 = 88.5 L, T2 = 301 K, P2 =
P2 = 97.8 kPa
How many moles of gas would occupy 3.0 L at 300 K and 3.3 atm? P= 3.3 atm, V= 3 L, T = 300 K, R=0.0821 L atm/ mol k, n=?
n= .402 moles
The pressure in a 5.67 L sample of gas decreases from 3 atm to 1.33 atm. What is the new volume?
12.8 L
A sample of neon gas has a volume of 22.8 L when the temperature is 28 C. What is the volume of the same gas at 15 C? Assume the pressure does not change.
21.8 L
A gas has a pressure of 2 atm at 400 K. What would the temperature be if the pressure dropped to 1 atm? Assume the volume is constant.
200 K
12.00 L of a gas has a pressure of 2 atm at 300 K What will be its volume at 3 atm and 150 K?
4 L
How many moles N2 are required to fill a small room with a volume of 27,000 L to 1.2 atm at 25 C?
1,324.3 moles of N2
When a piston is pushed down in a cylinder, the pressure on the gas in the cylinder increases from 125 kPa to 375 kPa. The initial volume is 3.3 L what is the final volume?
1.1L
A 6.70 L sample of argon gas is in a cylinder with a piston. The temperature is 242 K. If the pressure is kept constant, at what temperature will the volume of the gas be 7.30 L?
264 K
A gas is found to exert 95 kPa at 35 C. What would be the pressure at standard temperature?
84.2 kPa
A beach ball is partly inflated to a volume of 23.3 L. The temperature of the air in the ball is 305 K, and its pressure is 101.3kPa. A swimmer holds the ball under water in a pool, where the pressure is 131.3 kPa. The volume of the air in the ball decreases to 17.6L. What happens to the temperature of the air in the ball?
The temperature increases to 299 K
A sample of gas is found to occupy 4.30 L at 31.0 C and 570.0 mmHg.
How many moles of the gas are present?
n= .129 moles