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Chem 20 > Acid Base Unit > Flashcards

Acid Base Unit Flashcards

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1
Q

What is a solution

A

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

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2
Q

Solute

A

Substance that has been dissolved in a solvent

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3
Q

Solvent

A

Dissolves the solute

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4
Q

When ionic compounds dissolve they…..

A

Dissociate into different parts

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5
Q

Electrolyte

A

Contains ions

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6
Q

Non electrolyte

A

No ions

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7
Q

Endothermic

A

Absorbs heat

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8
Q

Exothermic

A

Releases heat

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9
Q

Endothermic reactions

A

Reactant- bond breaking- bond making product.
Positive

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10
Q

Exothermic reactions

A

Reactant- bond breaking- bond making product.
Negative

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11
Q

Bond breaking

A

Requires energy

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12
Q

Bond formation

A

Releases energy

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13
Q

3 ways to calculate concentration

A

Percent, parts per million, amount concentration

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14
Q

3 ways to calculate percent concentration

A

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

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15
Q

Parts per million

A

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

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16
Q

Amount concentration

A

Moles solute/ litres solvent
Mol/ L

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17
Q

Dissociation and ionitation

A

Types of dissolving

18
Q

Dissociation

A

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

19
Q

Ionization

A

Making of ions in a solution, acids only

20
Q

Factors affecting solubility

A

Temperature, pressure, miscibility

21
Q

Temperature: solid solute

A

When temp is high solubility is high

22
Q

Temperature: gas solute

A

When temp is high solubility is low

23
Q

Pressure: gas solute

A

When pressure is high solubility is high

24
Q

Miscibility

A

The ability to be mixed

25
Q

Miscibility: liquide solute

A

Polar: soluble
Non polar: insoluble

26
Q

2 ways to perform a dilution

A

Put water in a stock solution
Put stock solution in water

27
Q

PoH

A

Power of hydroxide OH-

28
Q

PH

A

Power of hydrogen H+ or H3O+

29
Q

Sig dig rule for PH/PoH

A

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

30
Q

Strong bases

A

Contain OH- in formula

31
Q

Weak bases

A

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

32
Q

H+

A

Proton

33
Q

Polyprotic acids

A

More than on H+ in formula

34
Q

Polyprotic bases

A

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

35
Q

Mono pro tic acids

A

One H+ in formula

36
Q

Mono protic bases

A

One OH- in formula or solution

37
Q

Arrhenius theory

A

Acids contain H+ and bases contain OH-

38
Q

Modified Arrhenius theory

A

Acids make hydronium H3O in solution
Bases make OH in solution

39
Q

Dissolving substance in water

A

Makes reaction faster

40
Q

Extra mixture in water will

A

Sit at bottom and not be dissolved

Chem 20 (7 decks)

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