Chemical Reactions Test Review

Front

What is the reactant side of a chemical equation?

Back

The left side of a chemical equation, which contains the substances that undergo the reaction.

Front

How do you balance a chemical equation?

Back

Adjust the coefficients of the reactants and products to ensure the same number of each type of atom on both sides of the equation.

Front

What is the product of the reaction PCl5 + H2O?

Back

HCl and H3PO4, with coefficients 4 and 5 respectively.

Front

What type of reaction is represented by A + BC = B + AC?

Back

Single Replacement Reaction.

Front

What type of reaction is 2Pb(NO3)2 → 2PbO + 4NO2 + O2?

Back

Decomposition Reaction.

Front

What is a synthesis reaction?

Back

A reaction where two or more substances combine to form a single product.

Front

What is a decomposition reaction?

Back

A reaction where a single compound breaks down into two or more simpler products.

Front

What is a combustion reaction?

Back

A reaction that involves the burning of a substance in the presence of oxygen, producing heat and light.

Front

What is a double replacement reaction?

Back

A reaction where two compounds exchange ions or bonds to form two new compounds.

Front

What is the law of conservation of mass?

Back

In a chemical reaction, mass is neither created nor destroyed; the total mass of reactants equals the total mass of products.