All gas law problems must have this unit for temperature.
What are Kelvins?
100
pressure varies inversely with volume (temp is constant)
What is Boyle's Law
100
A sample of oxygen gas collected in the lab occupies a volume of 250. mL when its pressure is 720. mmHg. What volume will the gas occupy at a pressure of 760. mmHg if the temperature is held constant?
What is 237 mL
100
The conversion factor from moles Liters
What is 22.4?
100
CO2 + 2LiOH --> Li2CO3 + H2O
How many moles of lithium hydroxide are required to react with 20 mol of CO2?
What is 40 mol LiOH?
200
This law is the basis for balancing equations?
What is The Law of Conservation of Mass?
200
Volume varies directly with temperature (constant pressure)
What is Charles' Law
200
A sample of neon gas occupies a volume of 742 mL at 35˚C. What volume will the gas occupy at 60˚C if the pressure is held constant?
What is 802 mL
200
The conversion factor for moles to moles
What is 1?
200
What is the mole ratio between HNO3 and NO2?
3NO2 + H2O ---> NO + 2HNO3
2:3
300
Two sealed beakers. one smaller than the other, are filled with the same amount of air. This one has the higher pressure.
What is the smaller beaker?
300
pressure varies directly with temperature (constant volume)
What is Gay-Lussac's Law
300
A 8.3 L gas sample at 1 atm is compressed to a volume of 2.8 L and the temperature is increased from 30˚C to 65˚C. What is the new pressure of the gas in atms?
What is 3.3 atm
300
The Conversion factor from moles to atoms
What is 6.022 x 10^23?
300
4Al + 3O2 --> 2Al2O3
How many moles of aluminum are needed to combine with 1.58 mol of oxygen molecules to make aluminum oxide?
What is 2.1 mol Al?
400
This is the balanced chemical formula for
H2 + N2 --> NH3
What is 3H2 + N2 --> 2NH3
400
combination of other three gas laws
What is the Combine Gas Law
400
A tire is inflated to 2.38 atm at 20˚C. The temperature outside drops to -5˚C. What will the new pressure in the tire be?
What is 2.18 atm?
400
How many liters of a substance are in 2 moles of that substance
What is 44.8 Liters?
400
Mg + 2HCl --> MgCl2 + H2
How many grams of hydrogen will be produced if we start with 2 moles of hydrochloric acid and excess magnesium?
What is 2g H2
500
The ideal gas constant has a value of this
What is 0.0821 ?
500
A relationship between volume, pressure, temperature, and number of moles of a gas
What is the Ideal Gas Law
500
What is mass of chlorine gas in grams contained in a 15.0 L tank at 23˚C and 3.78 atm of pressure?
What is 166 g
500
How many molecules of a substance are in 4.5 moles of that substance?
What is 2.71 x 10^24?
500
How many molecules of oxygen are produced when 29.2 grams of water is decomposed according to this chemical equation?
2H20 ---> 2H2 + O2