5.4 Study Guide

Question 1

Definition of Cohesion:

Answer 1

Particles of the same substance sticking together

Question 2

Definition of Adhesion:

Answer 2

Particles of different substances sticking together

Question 3

Definition of Solvent:

Answer 3

A substance with the ability to dissolve other substances (Solutes).

Question 4

Definition of Specific Heat:

Answer 4

The amount of heat needed to raise the temp of 1 gram of a substance by 1ºC

Question 5

Definition of Heat of Vaporization:

Answer 5

The amount of energy needed to turn a liquid into a gas

Question 6

Definition of pH:

Answer 6

Potential Hydrogen

Question 7

Definition of pOH

Answer 7

Potential Hydroxide

Question 8

Definition of Hydroxide Ion:

Answer 8

[OH-]

Question 9

Definition of Hydronium Ion:

Answer 9

[H3O+]

Question 10

Definition of Acidic:

Answer 10

More H3O+ molecules in a substance than OH- molecules.

Question 11

Definition of Base:

Answer 11

More OH- molecules than H3O+ molecules.

Question 12

The 5 properties of Water:

Answer 12

1. Cohesion and Adhesion
2. The solvent of Life
3. Ice is less dense than water
4. High specific heat
5. Heat of vaporization

Question 13

pH levels of base, acidic, and neutral

Answer 13

Base levels of pH are any number above 7. The neutral pH level is 7. Acidic pH levels are below 7.