AP Chemistry - Unit 4 - Thou Shall Not Forget

Front

What is a limiting reactant?

Back

The reactant that runs out first in a chemical reaction.

Front

What do bases do in a chemical reaction?

Back

Bases accept protons.

Front

What formula do we use for dilution calculations?

Back

M₁V₁ = M₂V₂

Front

What is the oxidation number of P in PO₄³-?

Back

5

Front

What type of reaction is 3O₂ + 2FeCl₃ → 2Fe₂O₃ + 3Cl₂?

Back

Single Displacement

Front

Define a chemical reaction.

Back

A process where reactants are transformed into products.

Front

What is the law of conservation of mass?

Back

Mass is neither created nor destroyed in a chemical reaction.

Front

What is a mole in chemistry?

Back

A mole is 6.022 x 10²³ particles of a substance.

Front

What is the difference between an ionic bond and a covalent bond?

Back

Ionic bonds involve the transfer of electrons, while covalent bonds involve the sharing of electrons.

Front

What is pH a measure of?

Back

pH measures the acidity or basicity of a solution.