Gas Stoichiometry and Volume Calculations

This chemistry lecture covers gas stoichiometry, focusing on converting between volumes and masses using factor labeling and Avogadro's principle. It includes examples of calculating the mass of ammonia from hydrogen volume and determining the volume of oxygen needed to react with iron. The lecture also explains volume-volume conversions without using moles, emphasizing the equivalence of mole and volume ratios.

What principle is used to convert between liters and grams in gas stoichiometry?

• Boyle's Law

• Avogadro's Principle

• Dalton's Law

• Charles's Law

How many liters of hydrogen are needed to produce 7.59 grams of ammonia at STP?

• 25 liters

• 10 liters

• 20 liters

• 15 liters

What is the molar mass of ammonia used in the conversion from moles to grams?

• 18 grams

• 17 grams

• 20 grams

• 14 grams

What is the volume of oxygen required to react with 52 grams of iron to form iron(III) oxide?

• 10.5 liters

• 18.2 liters

• 12.3 liters

• 15.7 liters

What is the mole ratio of iron to oxygen in the reaction to form iron(III) oxide?

• 3:4

• 2:3

• 4:3

• 1:2

In a volume-to-volume conversion, what is the ratio of oxygen to water in the reaction to form water vapor?

• 1:2

• 1:1

• 2:3

• 2:1

How many liters of water are produced from 3 liters of oxygen in the reaction to form water vapor?

• 6 liters

• 5 liters

• 4 liters

• 3 liters

What is the volume of carbon dioxide produced from 8 liters of oxygen in the reaction with propane?

• 6.4 liters

• 5.6 liters

• 4.8 liters

• 7.2 liters

What is the mole ratio of oxygen to carbon dioxide in the reaction with propane?

• 3:5

• 5:3

• 1:2

• 2:1

In the propane reaction, how many liters of carbon dioxide are produced from 5 liters of oxygen?

• 5 liters

• 4 liters

• 3 liters

• 2 liters