Chemical Reaction Conceptual Review

Front

What is a chemical reaction?

Back

A process in which substances (reactants) are transformed into different substances (products) through the breaking and forming of chemical bonds.

Front

What is the law of conservation of mass?

Back

In a chemical reaction, the mass of the reactants is equal to the mass of the products.

Front

What are reactants?

Back

Substances that undergo a chemical change in a reaction.

Front

What are products?

Back

Substances that are formed as a result of a chemical reaction.

Front

What does a coefficient in a chemical equation represent?

Back

The number of molecules or moles of a substance involved in a reaction.

Front

What does a subscript in a chemical formula indicate?

Back

The number of atoms of an element in a molecule.

Front

How do you balance a chemical equation?

Back

By ensuring that the number of atoms of each element is the same on both sides of the equation.

Front

What is a synthesis reaction?

Back

A type of chemical reaction where two or more simple substances combine to form a more complex product.

Front

What is a decomposition reaction?

Back

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

Front

What is a single replacement reaction?

Back

A reaction where one element replaces another element in a compound.