Gas Stoichiometry
Authored by Juana Stock
Chemistry
10th Grade
NGSS covered
Used 764+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
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
Tags
NGSS.HS-PS1-7
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
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
Tags
NGSS.HS-PS1-7
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
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
Tags
NGSS.HS-PS1-7
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
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
Tags
NGSS.HS-PS1-7
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
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
Tags
NGSS.HS-PS1-7
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
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
Tags
NGSS.HS-PS1-7
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
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
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