Acid Base Unit

Question 1

What is a solution

Answer 1

A homogeneous mixture, you can’t see the different parts

Question 2

Solute

Answer 2

Substance that has been dissolved in a solvent

Question 3

Solvent

Answer 3

Dissolves the solute

Question 4

When ionic compounds dissolve they…..

Answer 4

Dissociate into different parts

Question 5

Electrolyte

Answer 5

Contains ions

Question 6

Non electrolyte

Answer 6

No ions

Question 7

Endothermic

Answer 7

Absorbs heat

Question 8

Exothermic

Answer 8

Releases heat

Question 9

Endothermic reactions

Answer 9

Reactant- bond breaking- bond making product.
Positive

Question 10

Exothermic reactions

Answer 10

Reactant- bond breaking- bond making product.
Negative

Question 11

Bond breaking

Answer 11

Requires energy

Question 12

Bond formation

Answer 12

Releases energy

Question 13

3 ways to calculate concentration

Answer 13

Percent, parts per million, amount concentration

Question 14

3 ways to calculate percent concentration

Answer 14

Weight solute g/ weight solvent g
Volume solute ml/ volume solvent ml
Weight solute g/ volume solvent ml

Question 15

Parts per million

Answer 15

2 parts in 1000000 you have 2ppm
2mg/1kg

Question 16

Amount concentration

Answer 16

Moles solute/ litres solvent
Mol/ L

Question 17

Dissociation and ionitation

Answer 17

Types of dissolving

Question 18

Dissociation

Answer 18

Separation of ions in solution, only aqueous, ionic compounds will dissociate

Question 19

Ionization

Answer 19

Making of ions in a solution, acids only

Question 20

Factors affecting solubility

Answer 20

Temperature, pressure, miscibility

Question 21

Temperature: solid solute

Answer 21

When temp is high solubility is high

Question 22

Temperature: gas solute

Answer 22

When temp is high solubility is low

Question 23

Pressure: gas solute

Answer 23

When pressure is high solubility is high

Question 24

Miscibility

Answer 24

The ability to be mixed

Question 25

Miscibility: liquide solute

Answer 25

Polar: soluble Non polar: insoluble

Question 26

2 ways to perform a dilution

Answer 26

Put water in a stock solution Put stock solution in water

Question 27

PoH

Answer 27

Power of hydroxide OH-

Question 28

PH

Answer 28

Power of hydrogen H+ or H3O+

Question 29

Sig dig rule for PH/PoH

Answer 29

The PH/PoH number of decimal places is the same amount of sig digs the concentration will have

Question 30

Strong bases

Answer 30

Contain OH- in formula

Question 31

Weak bases

Answer 31

Don’t contain OH- in formula but they make OH- in solution

Question 32

H+

Answer 32

Proton

Question 33

Polyprotic acids

Answer 33

More than on H+ in formula

Question 34

Polyprotic bases

Answer 34

Contain or make more than one OH- ion in formula or solution

Question 35

Mono pro tic acids

Answer 35

One H+ in formula

Question 36

Mono protic bases

Answer 36

One OH- in formula or solution

Question 37

Arrhenius theory

Answer 37

Acids contain H+ and bases contain OH-

Question 38

Modified Arrhenius theory

Answer 38

Acids make hydronium H3O in solution Bases make OH in solution

Question 39

Dissolving substance in water

Answer 39

Makes reaction faster

Question 40

Extra mixture in water will

Answer 40

Sit at bottom and not be dissolved