Chemical reactions

Front

What is the term for a substance that can dissolve many things, often referred to as the 'universal solvent'?

Back

Water

Front

Balance the following chemical equation: KClO₃ → ____KCl + ____O₂

Back

2KClO₃ → 2KCl + 3O₂

Tags

NGSS.MS-PS1-5

Front

What type of process is baking bread and cooking an egg?

Back

Endothermic processes

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

Front

Balance this equation: HgO → ____Hg + ____O₂

Back

2HgO → 2Hg + O₂

Tags

NGSS.MS-PS1-5

Front

In chemical reactions, what must be equal to the reactants?

Back

Products

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-PS1-1

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 an exothermic reaction?

Back

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

Tags

NGSS.HS-PS1-4

Front

What is an endothermic reaction?

Back

A reaction that absorbs energy from its surroundings.

Tags

NGSS.HS-PS1-4

Front

What are reactants?

Back

Substances that undergo a chemical change in a reaction.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5