Solutions And Their Behavior

Question 1

Solution:

Answer 1

A homogenous mixture that consisted of one or more solutes in a medium (solvent)

(Molarity)

Question 2

Solvent:

Answer 2

Is present in the larger amount

Molality

Question 3

Solute:

Answer 3

Is present in the smaller amount than the solvent

Question 4

Is molality ever equal to molarity?

Answer 4

No

Question 5

_______ is better when dealing with solution stoichiometry

Answer 5

Molarity

Question 6

_______ is better when dealing with physical chemistry

Answer 6

Molality

Question 7

Solubility:

Answer 7

The amount of solute that will dissolve in a given amount of solvent.

Question 8

Saturation:

Answer 8

A solution that contains the maximum amount of a solute, as defined by its solubility.

Question 9

Supersaturated:

Answer 9

A solution contains more solute than allowed by the solubility.

Question 10

Miscible

Answer 10

Two liquids are miscible if they are soluble in each other in all proportions.

Question 11

Polar solutes are more or less soluble in polar solvents?

Answer 11

More

Question 12

Nonpolar solutes are more or less soluble in nonpolar solvents?

Answer 12

More

Question 13

Lattice energy is…

Answer 13

Energy released when molecules or ions settle into a crystalline lattice. (Exothermic)

Question 14

Solvation (hydration) energy is…

Answer 14

Energy released when an ion (or molecules) settles into a sphere of solvent molecules (Exothermic)

Question 15

As gas pressure >…

Answer 15

Solubility >

Henry’s Law. S=kP (k constant)

Question 16

Henry’s Law

Answer 16

The amount of non reacting gas which dissolves in liquid in proportional to the PP of the gas. Temp is constant.

Question 17

As Liquid and solid Temperatures >,_____ _______.

Answer 17

Solubility >.

Question 18

Temperature effect

Answer 18

The amount of gas dissolved in inversely proportional to temperature. The colder the liquid, the more gas that will dissolve in the liquid.

Question 19

The vapor pressure of a solution is given by ____________ Law.

Answer 19

Raoult’s

Question 20

As vapor pressure goes down…

Answer 20

Boiling point goes up.

Question 21

Osmosis

Answer 21

Diffusion of water through a semipermeable membrane.

Question 22

A hypertonic spinal solution will go down the spinal column because…

Answer 22

It is heavier. (A hypotonic solution will go up)

Question 23

As GAS Temperature >, _____ __.

Answer 23

Solubility decreases.