CHemistry Unit 4

Front

What is formed during rusting?

Back

Iron oxide

Tags

NGSS.MS-PS1-5

Front

C3H8 + 5O2 → 3CO2 + xH2O. Find 'x'.

Back

4

Tags

NGSS.MS-PS1-5

Front

What is an Ionic Compound?

Back

When nonmetal reacts with metals.

Front

Why is burning a match considered a chemical reaction?

Back

Burning a match forms new substances.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

What is the chemical formula of iron(III) hydroxide?

Back

Fe(OH)3

Tags

NGSS.MS-PS1-1

Front

Define oxidation in terms of electron transfer.

Back

Oxidation is the loss of electrons during a chemical reaction.

Front

What is reduction in a chemical reaction?

Back

Reduction is the gain of electrons during a chemical reaction.

Front

What is the law of conservation of mass?

Back

Mass is neither created nor destroyed in a chemical reaction.

Tags

NGSS.MS-PS1-5

Front

What is a balanced chemical equation?

Back

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

Tags

NGSS.MS-PS1-5

Front

What is the difference between an endothermic and exothermic reaction?

Back

Endothermic reactions absorb heat; exothermic reactions release heat.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3