Unit 8: Moles, Acids, & Bases (Science)

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1

Property of an acid or base? - tastes sour

acid

2

Property of an acid or base? - produces H+ ions in water

acid

3

Property of an acid or base? - turns blue litmus paper to red

acid

4

Property of an acid or base? - keeps phenolthalein colorless

acid

5

Property of an acid or base? - reacts with metals producing hydrogen gas

acid

6

Property of an acid or base? - produces OH- ions in water

base

7

Property of an acid or base? - bitter/chalky taste

base

8

Property of an acid or base? - turns phenolthalein pink

base

9

Property of an acid or base? - feels soapy/slippery

base

10

Property of an acid or base? - turns red litmus paper to blue

base

11

What do acid formulas generally contain?

hydrogen

12

What do base formulas generally contain?

hydroxide

13

dilute acid

one which has a small amount of acid dissolved in a large amount of water (small molarity)

14

concentrated acid

one which has a larger amount of acid dissolved in a smaller amount of water (large molarity)

15

indicator

a compound which changes color to show the presence of an acid or base

16

corrosive

property of eating or wearing away metals

17

acid

a compound that gives off hydrogen ions in water

18

base

a compound that forms hydroxide ions when dissolved in water

19

What kind of reaction occurs when an acid reacts with metals?

single replacement

20

Which number on the pH scale is neutral?

7

21

If the number is lower than a seven on the pH scale, what is it considered?

an acid

22

if the number is higher than a seven on the pH scale, what is it considered?

a base

23

neutral solution

a solution that is neither acidic nor basic (ex. water)

24

neutralization

special type of double replacement reaction; reaction between an acid and base to form salt and water

25

salt

a compound containing the metal ion from a base and the nonmetal ion from an acid

26

solution

homogenous mixture of two or more mixtures

27

solute

substance being dissolved (ex. salt)

28

solvent

substance doing the dissolving (ex. water)

29

solvation

the dissolving process

30

unsaturated

a solution which can dissolve additional solute

31

saturated

a solution which can not absorb additional solute (no more can fit in)

32

supersaturated solution

a solution which is saturated at a higher temperature. it now contains more solute dissolved in the solution that it could normally hold

33

solubility

maximum grams of solute that will dissolve in 100g of solvent at a given temperature (varies with temp: based on a saturated solution)