Limiting Reactants and Theoretical Yield in Chemistry

What is the maximum number of bicycles that can be manufactured with 41 tires and 15 frames?

• 15 bicycles

• 20 bicycles

• 41 bicycles

• 30 bicycles

Which component limits the number of bicycles that can be produced?

• Pedals

• Frames

• Tires

• Handlebars

What is the first step in determining the limiting reactant in a chemical reaction?

• Identifying all reactants

• Measuring reactant quantities

• Balancing the chemical equation

• Calculating the product quantity

Which reactant is used to start calculating the stoichiometry in the given example?

• Sodium oxide

• Lead (IV) oxide

• Lead

• Sodium sulfate

What is the correct molar mass position for lead (IV) oxide in the stoichiometric calculation?

• Top

• Either

• Bottom

• Neither

How many moles of sodium oxide correspond to one mole of lead (IV) oxide?

• One mole

• Two moles

• Three moles

• Four moles

What is the correct ratio of sodium sulfate to sodium oxide in the stoichiometric calculations?

• 2:1

• 2:2

• 1:2

• 1:1

Which substance was determined to be the limiting reactant in the example?

• None

• Sodium oxide

• Sodium sulfate

• Lead (IV) oxide

What is the percent yield formula used in the homework problem?

• Actual/Theoretical x 100%

• Theoretical/Actual x 100%

• Actual x Theoretical/100

• Theoretical x Actual/100

If 20 grams of sodium oxide were produced in a lab, what is the percent yield given a theoretical yield of 21.82 grams?

• 90.5%

• 92.0%

• 91.7%

• 93.2%