12A Quiz

Question 1

A homogenous mixture of variable composition in a single phase is called what?

Answer 1

A solution

Question 2

What is the most abundant substance in a solution?

Answer 2

A solvent

Question 3

What is a dissolved substance in a solution called?

Answer 3

A solute

Question 4

If two liquids mix to form a homogenous mixture, they are considered what?

Answer 4

Miscible

Question 5

What is is the dissolving process in solid-in-liquid solutions?

Answer 5

Solvation

Question 6

Solvation in water is called what?

Answer 6

Hydration

Question 7

If the solute is an ionic compound, solvent molecules break up the crystal into ions in the process of what?

Answer 7

Dissociation

Question 8

Covalent compounds form ions when they dissolve in solution, known as what?

Answer 8

Ionization

Question 9

The net energy change during the dissolving process is measured as what? (expressed in kJ/mol)

Answer 9

Enthalpy (heat) of solution (ΔHsoln)

Question 10

Ions to be bound together so tightly that a specific solvent cannot break them apart is called what?

Answer 10

Insoluble

Question 11

What is the escaping of a gas from a liquid-gas solution called?

Answer 11

Effervescence