Chemical reactions

Front

What is an electrolyte?

Back

A solute whose water solution conducts electricity.

Front

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

Back

Complete Combustion.

Tags

NGSS.MS-PS1-2

Front

What is a physical change?

Back

A change that does not alter the chemical composition of a substance, such as ice melting.

Tags

NGSS.MS-PS1-4

Front

What is a solute?

Back

The substance that is dissolved into the solution.

Front

How do you balance the equation Fe + O2 --> Fe2O3?

Back

4Fe + 3O2 --> 2Fe2O3.

Tags

NGSS.MS-PS1-5

Front

What is a chemical reaction?

Back

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

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

What is the difference between a solute and a solvent?

Back

A solute is the substance that is dissolved, while a solvent is the substance that does the dissolving.

Front

What is a chemical change?

Back

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

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

What is the law of conservation of mass?

Back

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

Tags

NGSS.MS-PS1-5

Front

What is a reactant?

Back

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

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5