Chemistry Final Exam Review

Front

What does the kinetic molecular theory state about ideal gases?

Back

A gas is ideal if the particles are far apart and moving quickly.

Front

List the substances from most basic to acidic based on their pH: lemon juice (pH 2), baking soda (pH 9), bleach (pH 12), and milk (pH 6).

Back

Bleach, baking soda, milk, lemon juice.

Front

What are the subscripts in the product of a chemical reaction if the product is C2H4O2?

Back

2, 4, 2.

Front

What factor affects solubility in substances?

Back

Temperature.

Front

What is the molecular formula if the empirical formula is CH2O and the molecular molar mass is 180.18?

Back

C6H12O6.

Front

Define 'pH'.

Back

pH is a measure of how acidic or basic a solution is, on a scale from 0 to 14.

Front

What is the empirical formula of a compound?

Back

The simplest whole-number ratio of atoms of each element in a compound.

Front

Explain the difference between an ionic bond and a covalent bond.

Back

An ionic bond is formed by the transfer of electrons from one atom to another, while a covalent bond is formed by the sharing of electrons between atoms.

Front

What is solubility?

Back

Solubility is the ability of a substance to dissolve in a solvent at a given temperature and pressure.

Front

What is the significance of the molecular formula?

Back

The molecular formula indicates the actual number of atoms of each element in a molecule.