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
What is the Ideal Gas Law?
PV=nRT
What does Avogadro's Theory state?
When temperature and pressure are constant, then the volume and mol of a element/compound can be calculated based on the ratios of the reaction
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, pressure and molar volume at STP and SATP
STP: 273K, 101.325 kPa, 22.4 L/mol
SATP: 298K, 100 kPa, 24.8 L/mol
What is the mass of 34.0 L of carbon dioxide gas at 30.0 C and 115kPa?
68.3 g
If 1.5 mol of hydrogen are consumed in this reaction, how many mol of hydrogen chloride are produced?
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
What is the molar mass of 214 g of gas, requiring a volume of 19.03 L at STP?
M = 252 g/mol
The Fritz-Haber process was discovered in the early 20th century and revolutionized agriculture by allowing the mass production of ammonia, NH3(g) , to take place.
a. Write a balanced chemical equation, complete with state subscripts, detailing the formation of ammonia from its elements.
b. If 4.0 mL of nitrogen are consumed in this reaction, what volume of ammonia is produced in litres?
1 N2 + 3H2 --> 2NH3
8.0 x 10 -3 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 10.0 moles of oxygen, under what pressure is the oxygen, if the temperature is 27.0 C?
1.66 x 10 4 kPa
Gas barbeques burn propane, C3H8(g) , using oxygen from the air.
a. Write a balanced chemical equation, complete with state subscripts, detailing the complete combustion of propane.
b. If 5.00 L of propane are burned, what volume of carbon dioxide is produced in millilitres?
C3H8 + 5O2 --> 3CO2 + 4H2O
1.50 x 10 4 mL
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 want to send chlorine gas, Cl2, safely from Edmonton to LLB. Chlorine gas is very poisonous and corrosive. You have a 500 L truck cylinder that will withstand a pressure of 100 atm. The cylinder will be kept at 2.00 C throughout the trip. How many moles of chlorine gas can you safely ship?
2.21 x 10 4 mol
What volume of oxygen at SATP is needed to completely burn 15 g of methanol in a fondue burner?
17 L