Stoichometry

Stoichiometry

The study of the quantitative relationship between the amount of reactants used and the amount of product formed by a chemical reaction.

True or False? Stoichiometry is based on the law of conservation of mass.

True

True or False? In an chemical reaction, the mass of the products i less than the mass of the reactants.

False

True or false? The coefficients in a chemical equation represent the number of individual particles and moles of particles.

True

The mass of each reactant and product is related to its coefficient in the balanced chemical equation for the reaction by its molar mass

True

What is the substance that runs out first called?

Limiting reactant

What is the actual amount of product produced by a chemical product called?

Actual yield

What is the ratio between the numbers of moles in any 2 substances in a balanced chemical equation?

Mole ratio

What is the reactant that remains after the reaction has stopped?

Excess reactant

What is the maximum amount of product that can be made by a given amount of reactant?

Theoretical yield

The ratio of the actual yield to the theoretical yield as a percent is called?

Percent yield

What do chemical reactions rarely produce?

Their theoretical yield

What does the product of a reaction depend on?

The limiting reactant

What do Chemists sometimes use to speed up the rate of a reaction?

Excess reactants

Mole rations for a reaction are obtained from the ___

Balanced Chemical equation

In the decomposition of compound AB into substances A and B, what is number of mole ratios?

6

Calculating the mass of a reactant and product from the number of moles of another product and reactant is an example of what?

Mole to mass conversion

Limiting reactant is usually accomplished by

Using an excess of another reactant

If the actual mole ratio of substance B to substance A is less than the balanced equation mole ratio of substance B to substance A, substance B is the

Limiting reactant

Percent yield of a measure of the reaction’s

Efficiency

The actual yield of a product is

Measured experimentally

What is the most importan industrial chemical in the world?

Sulfuric acid!