General Chemistry 2ND SEM (Part II)

Question 1

a combination of two or more substances that do not combine chemically, but remain the same individual substances; can be separated by physical means.

Answer 1

Mixtures

Question 2

Two types of Mixtures

Answer 2

Heterogeneous
Homogeneous

Question 3

Hetero means?

Answer 3

Different

Question 4

Consists of visibly different substances or phases (solid, liquid, gas)

Answer 4

Heterogeneous Mixture

Question 5

Can be separated by filtering

Answer 5

Heterogeneous Mixture

Question 6

Homo means?

Answer 6

The same

Question 7

has the same uniform appearance and composition throughout; maintain one phase (solid, liquid, gas)

Answer 7

Homogeneous Mixture

Question 8

commonly referred to as _____________

Answer 8

Solutions

Question 9

The ________ is the largest part of the solution and the _______ is the smallest part of the solution

Answer 9

solvent
solute

Question 10

the amount of solute dissolved in a solvent at a given temperature

Answer 10

Concentration

Question 11

described as _______if it has a low concentration of solute dissolved

Answer 11

dilute

Question 12

described as ____________ if it has a high concentration of solute dissolved

Answer 12

concentrated

Question 13

has a less than the maximum concentration of solute dissolved

Answer 13

Unsaturated -

Question 14

has the maximum concentration of solute dissolved (can see solid in bottom of solution)

Answer 14

Saturated -

Question 15

-contains more dissolved solute than normally possible (usually requires an increase in temperature followed by cooling)

Answer 15

Supersaturated

Question 16

the amount of solute that dissolves in a certain amount of a solvent at a given temperature and pressure to produce a saturated solution

Answer 16

Solubility

Question 17

Chemists use the saying “like dissolves like”:
_________ solutes tend to dissolve in polar solvents.
_________ solutes tend to dissolve in nonpolar solvents.

Answer 17

Polar
Nonpolar