Chemical Reactions Flashcard

Front

What are exothermic reactions?

Back

Exothermic reactions are chemical reactions that release energy, usually in the form of heat.

Front

How many atoms of carbon are in C6H12O6?

Back

There are 6 atoms of carbon in C6H12O6.

Front

What happens in all chemical changes?

Back

In all chemical changes, a new substance is formed.

Front

What type of reaction is C5H10 + O2 --> CO2 + H2O?

Back

This is a complete combustion reaction.

Front

What is the left part of a chemical equation called?

Back

The left part of a chemical equation is called the reactants.

Front

Define a chemical reaction.

Back

A chemical reaction is a process that leads to the transformation of one set of chemical substances to another.

Front

What is the law of conservation of mass?

Back

The law of conservation of mass states that mass is neither created nor destroyed in a chemical reaction.

Front

What are products in a chemical reaction?

Back

Products are the substances that are formed as a result of a chemical reaction.

Front

What is a catalyst?

Back

A catalyst is a substance that increases the rate of a chemical reaction without being consumed in the process.

Front

What is the difference between endothermic and exothermic reactions?

Back

Endothermic reactions absorb energy, while exothermic reactions release energy.