Conversion Factors
How do you convert Celsius to Kelvin?
celcius + 273.15
What is Boyle's law?
P1V1 = P2V2
A sample of air occupies 84 L when the pressure is 4.2 atm.
What volume does it occupy at 9.4 atm?
37.53 L
84 L of a gas, containing 32 moles, exerts a pressure of 0.43 atm. Calculate the temperature in Celsius
13.75518 ºK
-259.24 ºC
How many mL do you have in 5 L?
5000 mL
What is the name of the following formula? V1/T1 = V2/T2
A sample of air occupies 987 mL when the pressure is 4.3 atm.
What pressures is required to compress it to 0.8 L?
5.31 atm
A sample of nitrogen gas in a 8.6 L container at a temperature of 43⁰C exerts a pressure of 1.3 atm. Calculate the number of moles of gas in the sample.
0.43 moles
What is the unit commonly used for pressure in the gas laws?
atms
What is the formula for Avogadro's law?
V1/n1 = V2/n2
A 32.7 L volume of methane gas is heated from 46⁰C to 98⁰C at constant pressure. What is the final volume of the gas?
38.03 L
What volume will 4.6 moles of sulfur hexafluoride (SF6) gas occupy if the temperature and pressure of the gas are 248⁰C and 11.5 atm, respectively?
17.10 L
How can you find the amount of a gas when given in grams?
By dividing it by the molar mass and therefore obtaining moles
What is the name of the following formula? P1/T1 = P2/T2
Gay-Lussac's law
Under constant-pressure conditions a sample of hydrogen gas initially at 57⁰C and 11.8 L is cooled until its final volume is 35 L. What is its final temperature?
978.81 K
Calculate the volume of 6.3 mol of a gas at STP.
141.13 L
How do you convert torr to atm?
1 atm = 760 torr
torr to atm: divide torr by 760
atm to torr: multiply atm by 760
What does STP mean?
Standard temperature and pressure
1 mol
22.4 L
273.15 K
1 atm
A gas has a volume of 4.3 L at 36.2⁰C and 4 atm. What was the volume of this gas at the temperature of 39⁰C and 9.00 atm pressure?
1.93 L
At 785 torr and 59⁰C, 9.5 g of a gas occupies a volume of 4.12 L. What is the molar mass of the gas?
mol = 0.156201
molar mass = 60.82 g/mol