WorksheetsGas Stoichiometry
Total questions: 10
Worksheet time: 40mins
2Al + 6HCl --> 2AlCl3 + 3H2
Aluminium reacts with hydrochloric acid. How many grams of aluminum are necessary to produce 11 L of hydrogen gas at STP?
13
8.8
0.99
1.0
Mg3N2 + 3H2O ––> 3 MgO + 2NH3
If 10.3 g of magnesium nitride is used, what volume of ammonia gas would be collected at 20˚C and 0.989 atm?
4.9 L NH3
4.96 L NH3
0.261 L NH3
0.26 L NH3
1Mg + 2H2O --> Mg(OH)2 + H2
What volume of hydrogen will be produced at STP by the reaction 67.3 g of magnesium?
62.0 L
0.12 L
2.77 L
1.15 L
Mg3N2 + 3H2O ––> 3 MgO + 2NH3
If 10.3 L of ammonia gas at 20.0˚C and 0.989 atm is created, how many liters of water at STP are required?
0.423 L H2O
14.2 L H2O
0.204 L H2O
10.3 L H2O
2CO + O2 −-> 2CO2
How many liters of carbon dioxide at STP are produced from 10.0 L of carbon monoxide at STP?
10.0 L
20.0 L
5010 L
0.0199
4NH3+6NO --> 5N2 + 6H2O
How many liters of NH3 at 32.6 oC and 4.25 kPa are needed to react completely with 30.0L of NO at STP?
5.27 L
534 L
5.2 L
533.6 L
When solving for gas stoichiometry problems which of the following is correctly matched?
STP conditions; molar mass
NON STP conditions; PV=nRT
STP conditions; PV=nRT
NON STP conditions; 22.4 moles
2CO + O2 −-> 2CO2
How many liters of carbon monoxide at 25.0oC and 8.56 mmHg are needed to react with 12.30 L of oxygen gas at STP?
3.14 L
318 L
2390 L
200 L
2NaN3 → 2Na + 3N2
At what pressure(atm) is the nitrogen gas sample that is collected when 48.4 g of NaN3 decomposes? The temperature of the gas is 25.0°C and the volume is 18.4 L.
151 atm
1130 atm
0.125 atm
1.48 atm
2Cu2S + 3O2 → 2Cu2O + 2SO2
This reaction uses 18.2 g of copper (I) sulfide. What volume of sulfur dioxide gas would be collected at 237°C and 10.7 atm?
0.446 L
57 L
0.207 L
0.21 L
