Types of Reactions and Balancing Equations

Front

In an endothermic reaction, heat is ...

Back

taken in

Front

The number of Na's in Na₂CO₃ is ...

Back

2

Front

This is used to represent the number of each atom being represented.

Back

The Subscript

Front

This appears on the left side of a chemical formula, and represents how many molecules there are.

Back

The Coefficient

Front

What is an example of exothermic?

Back

firework

Front

What is a chemical reaction?

Back

A process that involves the rearrangement of the molecular or ionic structure of a substance.

Front

What is the law of conservation of mass?

Back

In a chemical reaction, mass is neither created nor destroyed.

Front

What is a balanced chemical equation?

Back

An equation where the number of atoms for each element is the same on both sides.

Front

What does a coefficient in a chemical equation indicate?

Back

The number of molecules of a substance involved in the reaction.

Front

What is an exothermic reaction?

Back

A reaction that releases heat to its surroundings.