Combined Gas Laws
Ideal Gas Laws
Random Gas Laws
Stoichiometry
Stoichiometry 2
100
If I start with 30 mL at 200 K and heat it to 400 K, what would be the new volume?
60 mL
100
The value for R, with atm in the units
What is 0.0821 L*atm/mol*K
100
the values at STP.
What are 1 atm and 273K?
100
Convert 100 grams of NO2 into moles of NO2
2.2 moles
100
H2SO4(aq) + 2NaOH(aq) -> Na2SO4(aq) + 2H2O(g)
How many moles of Na2SO4 will be produced if 2.1 moles of NaOH reacts with excess H2SO4?
1.05 moles
200
What would be the new pressure if I start with Hydrogen gas at 0.90 atm and 10o C and cool it to 3o C?
0.88 atm
200
If I have 3.7 moles of gas at 5 L and 210 K, what would the Pressure be?
12.8 atm
200
A vessel contained N2, Ar, He, and Ne. The total pressure in the vessel was 987 torr. The partial pressures of nitrogen, argon, and helium were 44.0, 486, and 218 torr, respectively. The partial pressure of neon in the vessel is this amount in torr
What is 239?
200
Convert 34.7 moles of CaCO3 into grams
3470 grams
200
This is the volume (L) of HCl needed to react with Mg to produce 6.82 L of H2 at 2.19 atm and 35 degrees celsius
What is 13.6 L
300
When an aerosol can is heated up, this property must change.
What is Pressure?
300
If I have 22 L of gas at 3.3 atm and 280 K, how many moles do I have?
3.16 moles
300
If you have collected an unknown gas in an inverted graduated cylinder via the water displacement method at a barometric pressure of 752 mmHg, and the water temperature is 18.5 C, what is the partial pressure of the unknown gas? (P H2O at 18.5 C is 16 mmHg)
736 mmHg
300
Convert 35 grams of CH4 into liters of water vapor at STP
CH4 + 2O2 = CO2 + 2H2O
98 liters of water vapor
300
This is the volume (L) of fluorine gas required to react with 2.31 g of calcium bromide to form calcium fluoride and bromine gas at 8.19 atm and 35.0 °C?
0.0357 L
400
A pressure of 0.500 atm is the same as a pressure this in mm Hg
What is 380 mmHg?
400
The reason why NH3 will behave less ideally than H2
What is polarity and stronger IMF?
400
How many liters are in 50 grams of Cl2 at STP?
15.8 L
400
Making 14 grams of CO2 needs how many liters of O2 at 1.2 atm and 35o C
CH4 + 2O2 --> CO2 + 2H2O
13.4 Liters
400
CaCO3(s) -> CO2(g) + CaO(s)
How many grams of calcium carbonate will I need to form 3.45 liters of carbon dioxide? Assume the reaction takes place at 1 atm and 298 K.
14.1 grams CaCO3
500
When 44 mL of helium at 10o C and 152 mm Hg is heated to 41o C while increasing the pressure to 2432 mm Hg, this the new volume.
What is 3.05 mL?
500
If you have 2.5 moles of gas and it occupies 56.25 L, what must the temperature and pressure be?
0 C (273K) and 1 atm
500
Of the named gas laws, which ones have a direct relationship (one goes up, so does the other) and which has an indirect relationship (one increases while the other decreases)?
Charles, Avogadro, and Gay-Lussac = direct
Boyles = indirect
500
At STP, 0.3 mol of H2 will occupy what volume?
What is 6.72 L?
500
C2H4(g) + 3O2(g) -> 2CO2(g) + 2H2O(g)
How many liters of water can be formed if 1.25 liters of C2H4 are consumed in this reaction? Assume the reaction takes place at 1 atm and 298 K?
2.50 Liters of H2O