FREE CHEMISTRY AND STUDY GAMES ABOUT

PDF Download

FREE CHEMISTRY AND STUDY GAMES ABOUT

STOICHIOMETRY EXAM QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -12 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation

Question 1: Reaction Stoichiometry

Answer:

involves mass relationships between reactants and products in a chemical reaction

Question 2: theoretical yield

Answer:

the quantity of a product obtained from the complete conversion of the limiting reactant in a chemical reaction

Question 3: product

Answer:

a substance that is created during a chemical reaction; right side of a chemical equation

Question 4: Composition Stoichiometry

Answer:

involves the mass relationships with elements in a compound

Question 5: limiting reactant

Answer:

in a chemical reaction is the substance that is totally consumed when the chemical reaction is complete

Question 6: Molar Mass

Answer:

physical property defined as the mass of a given substance (chemical element or chemical compound) divided by the amount of substance

Question 7: percentage yield

Answer:

percent ratio of actual yield to the theoretical yield

Question 8: actual yield

Answer:

amount actually produced of a product in a complete reaction

Question 9: Mole Ratio

Answer:

ratio between the amounts in moles of any two compounds involved in a chemical reaction; can be determined by looking at the coefficients

Question 10: reactant

Answer:

a substance that takes part in and undergoes change during a reaction; left side of a chemical equation

Question 11: excess reactant

Answer:

in a chemical reaction with greater amount than necessary to react completely

Question 12: balanced equation

Answer:

the number of atoms for each element in the reaction and the total charge are the same for both the reactants and the products