PS Ch 7 Review

Front

What type of reaction is represented by the equation AB ---> A + B?

Back

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

Front

What do the coefficients in a balanced chemical equation represent?

Back

The ratio of moles of reactants and products.

Front

What is the energy stored in the chemical bonds of a substance called?

Back

Chemical energy.

Front

How many grams are in 3.2 mol of CO2?

Back

140.8 g.

Front

What type of reaction is represented by the equation A + B ---> AB?

Back

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

Front

What is a balanced chemical equation?

Back

An equation that has the same number of atoms of each element on both sides, representing the conservation of mass.

Front

What is the law of conservation of mass?

Back

In a chemical reaction, mass is neither created nor destroyed; it is conserved.

Front

What is a reactant in a chemical reaction?

Back

A substance that undergoes change during a chemical reaction.

Front

What is a product in a chemical reaction?

Back

A substance that is formed as a result of a chemical reaction.

Front

What is a single replacement reaction?

Back

A reaction where one element replaces another in a compound.