Boyle's Law
rearrage Boyle's formula to solve for P2
P2 = P1V1/V2
Rearrage Charles's formula to solve fore T1
T1 = T2V2/V1
rearrange the ideal gas law to solve for T1
T1 = P1V1T2/P2V2
rearrange the Gay-Lussac’s law to solve for T1
T1= P1T2/P2
What does Avogadro's Laq state?
When the pressure and temperature are held constant, the volume of a gas is proportional to the number of moles present.
Convert 9.81 x 10-5 atm to mmHg
7.46 x 10-2
Convert -16.98 °C to the proper units
256 K
What is the temperature and pressure at STP
STP: 273K, 101.325 kPa,
Convert -12 °C to the proper units
261 K
If 1.5 mol of hydrogen are consumed in this reaction, how many mol of hydrogen chloride are produced?
H2 + Cl2 --> HCl
3.0 mol HCl
A weather balloon containing 35.0 L of helium at 98.0 kPa is released and rises. Assuming that the temperature is constant, find the volume of the balloon when the atmospheric pressure is 15.0 kPa at a height of 25.0 km.
229 L
A gas sample with a volume of 2.05 L is removed from a refrigerator at 5.0 °C and allowed to warm up to 21.0 °C on a kitchen counter. What volume in litres will the gas occupy at 21.0 °C?
2.17 L
A gas has a pressure of 699.0 mmHg at 40.0 C. What is the temperature at STP. Answer in C.
-21.9 C
A gas sample with a pressure of 2.50 atm is removed at 5.0 °C and allowed to warm up to 21.0 °C on same container (constant volume). What is the gas pressure 21.0 °C?
2.6 K
What is the temperature, pressure and molar volume at STP
STP: 273K, 101.325 kPa (1 atm), 22.4 L
A small oxygen canister contains 215 mL of gas at a pressure of 765 mmHg. If the oxygen gas is allowed to expand to a volume of 0.350 L, what pressure in kilopascals must be exerted on the canister?
62.7 kPa
In a test of Charles’ Law, a gas inside a cylinder with a moveable piston is heated. The initial volume of gas in the cylinder is 0.30 L at 25 °C. What will be the final gas volume (in mL) when the temperature is increased to 315 °C?
5.9 x 10 2 mL
A sample of fluoride gas with a volume of 45.0 L at STP is changed to 111 kPa and 35.0 C. What is the new volume of the gas?
46.3 L
If a steel cylinder with a volume of 1.50 L containers had 0.55 atm oxygen at 299K. Under what pressure is the oxygen, if the temperature is 27.0 C and volume of 1.50L?
0.55 atm
What is the volume at STP of 4.00 g of He?
22.4 L
A small helium canister contains 310 mL of gas at a pressure of 2.0 atm. All of the helium is released into a new cylinder with a measured final pressure of 3500 Torr. What is the new volume of the gas?
0.13 L
A balloon containing helium gas at 20.00 °C has a volume of 7.50 L. Calculate the volume of the balloon after it rises 10 km into the upper atmosphere, where the temperature is -36.00 °C. Do you believe this gas volume is accurate? Why or why not?
6.07 L. Not accurate, the pressure will change
A sample of propane with a volume of 28.5 mL at a pressure of 778.00 Torr is found into the upper atmosphere. In kPa, what is the pressure in the upper atmosphere if the methane sample expands to a volume of 4.50 L?
0.657 kPa
You checked the tire pressure in Flagstaff at 6:00 AM in the morning when the temperature was 20 °C and the tire pressure was 45 psi. What is the tire pressure when you got to Phoenix if the temperature is 44 °C?
48 psi
What is the mass of 9.00 L of oxygen gas at STP
12.9 L