Balancing and Identifying Chemical Equations

Front

Substances present at the start of a reaction.

Back

Reactant

Front

What is the balanced equation for the combustion of methane?

Back

CH₄ + 2O₂ → CO₂ + 2H₂O

Front

What type of reaction is CH₄ + 2O₂ → CO₂ + 2H₂O?

Back

Combustion

Front

Whole numbers that appear in front of chemical formulas in a balanced chemical equation are called what?

Back

Coefficient

Front

Balance the following: __K + __MgBr₂ → __KBr + __Mg

Back

2, 1, 2, 1

Front

What is a product in a chemical reaction?

Back

Substances formed as a result of a chemical reaction.

Front

What is a catalyst?

Back

A substance that increases the rate of a chemical reaction without being consumed.

Front

Define decomposition reaction.

Back

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

Front

What is a synthesis reaction?

Back

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

Front

What does it mean to balance a chemical equation?

Back

To ensure that the number of atoms of each element is the same on both sides of the equation.