Chemical reactions and energy flashcard

Front

A substance that is formed as a result of a reaction is a(n) _________.

Back

product

Front

This is an example of a ___________________________.

Back

chemical equation

Front

Making ice (freezing liquid water) is a _________ reaction.

Back

EXOthermic

Front

What are the products of the chemical reaction pictured?

Back

CO2 and 2H2O

Front

A candle wick burning is an example of a _________________________

Back

chemical reaction

Front

What is a chemical reaction?

Back

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

Front

What is an endothermic reaction?

Back

A reaction that absorbs energy from its surroundings, usually in the form of heat.

Front

What is an exothermic reaction?

Back

A reaction that releases energy to its surroundings, usually in the form of heat.

Front

What is a chemical formula?

Back

A way of expressing information about the atoms that constitute a particular chemical compound.

Front

What is a reactant?

Back

A substance that undergoes change during a chemical reaction.