Chemical Equations

Front

What are the products in the equation N₂ + 3H₂ → 2NH₃?

Back

The products are NH₃.

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

Front

How many total molecules are in 4NH₃?

Back

4 total molecules.

Front

Is the equation N₂ + 3H₂ → 2NH₃ balanced?

Back

Yes, it is balanced.

Tags

NGSS.MS-PS1-5

Front

How many Nitrogen (N) atoms are in 4NH₃?

Back

There are 4 Nitrogen (N) atoms.

Tags

NGSS.MS-PS1-1

Front

How many Hydrogen (H) atoms are in 4NH₃?

Back

There are 12 Hydrogen (H) atoms.

Tags

NGSS.MS-PS1-1

Front

What is a chemical equation?

Back

A chemical equation is a symbolic representation of a chemical reaction.

Tags

NGSS.MS-PS1-5

Front

What does it mean for a chemical equation to be balanced?

Back

A balanced chemical equation has the same number of each type of atom on both sides.

Tags

NGSS.MS-PS1-5

Front

What is the law of conservation of mass?

Back

The law states that mass is neither created nor destroyed in a chemical reaction.

Tags

NGSS.MS-PS1-5

Front

What are reactants in a chemical equation?

Back

Reactants are the starting substances in a chemical reaction.

Tags

NGSS.MS-PS1-1

Front

What are coefficients in a chemical equation?

Back

Coefficients are numbers placed in front of compounds to indicate the number of molecules.

Tags

NGSS.MS-PS1-1