12.17.2024 AS-U3 Chemical Reaction Test Review

Front

What does a fuel need in order to burn?

Back

Oxygen

Front

In a chemical reaction, if the temperature increases, is it an exothermic or endothermic reaction?

Back

Exothermic

Front

What is a group of atoms joined together in a particular, specific way?

Back

Molecule

Front

What is a product in chemical reactions?

Back

The substance(s) that are created after a chemical reaction.

Front

What is the definition of a chemical reaction?

Back

A process where substances (reactants) are transformed into different substances (products).

Front

What is the law of conservation of mass?

Back

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

Front

What is an endothermic reaction?

Back

A reaction that absorbs heat from its surroundings.

Front

What is an exothermic reaction?

Back

A reaction that releases heat to its surroundings.

Front

What is a reactant?

Back

A substance that undergoes change during a chemical reaction.

Front

What is a chemical equation?

Back

A symbolic representation of a chemical reaction showing the reactants and products.