Unit 5 Vocab: Chemical Reactions

Front

What are the substances produced by a chemical reaction?

Back

Products

Front

What are the chemicals that are used at the beginning of a chemical reaction?

Back

Reactants

Front

What type of reaction absorbs energy from its surroundings and may feel cold?

Back

Endothermic

Front

What is a small number next to an atom in a chemical formula that tells us how many of that atom there are?

Back

Subscript

Front

In the formula 2K3PO4, what is the 2?

Back

Coefficient

Front

What is the term for a reaction that releases energy, often felt as heat?

Back

Exothermic

Front

What is the law that states that matter cannot be created or destroyed in a chemical reaction?

Back

Law of Conservation of Mass

Front

What is the process called when one or more substances change to form new substances?

Back

Chemical Reaction

Front

What is the term for a substance that speeds up a chemical reaction without being consumed?

Back

Catalyst

Front

What is the term for the starting materials in a chemical reaction?

Back

Reactants