Gas stoichiometry

When solving for gas stoichiometry problems which of the following are correctly matched?

• STP conditions; 22.4L/mole

• NON STP conditions; PV=nRT

• STP conditions; PV=nRT

• NON STP conditions; 22.4 moles

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?

Tags

NGSS.HS-PS1-7

2CO + O₂ −-> 2CO₂

How many liters of carbon monoxide at 25.0^oC and 8.56 mmHg are needed to react with 12.30 L of oxygen gas at STP?

Tags

NGSS.HS-PS1-5

NGSS.HS-PS1-7

How many liters of NH₃ are needed to react completely with 30.0L of NO if the reaction is conducted at STP?

4NH₃(g) + 6NO (l)--> 5N₂ (g) + 6H₂O (l)

Tags

NGSS.HS-PS1-7

What volume of hydrogen(H₂) will be produced at STP by the reaction 67.3 g of magnesium with excess water according to the following reaction?

1Mg (s) + 2H₂O (l) --> Mg(OH)₂ (aq) + H₂ (g)

Tags

NGSS.HS-PS1-7