Unit 8 Test Review - Chemical Reactions

Front

What is an electrolyte?

Back

A solute whose water solution conducts electricity.

Front

What type of change is ice melting?

Back

Physical Change.

Front

According to the law of conservation of mass, how does the amount of each element on the product side compare to each element on the reactant side?

Back

The amount of atoms on each side is equal.

Front

When does a chemical reaction stop?

Back

When the limiting reactant is used up.

Front

Balance the equation: HgO --> ?

Back

2HgO --> 2Hg + O2.

Front

What is a solute?

Back

A substance that is dissolved in a solvent to form a solution.

Front

Define a chemical change.

Back

A change that results in the formation of new chemical substances.

Front

What is a physical change?

Back

A change that affects one or more physical properties of a substance without altering its chemical composition.

Front

What is a reactant?

Back

A substance that takes part in and undergoes change during a reaction.

Front

What is a product in a chemical reaction?

Back

The substances that are formed as a result of a chemical reaction.