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Chem 20-1 Unit 4 > Quiz review > Flashcards

Quiz review Flashcards

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1
Q

What are in pure substances

A

Compound and elements

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2
Q

Compounds

A

2 or more elements bonded

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3
Q

Elements

A

One single element

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4
Q

Mixtures include

A

Homogenous and hetreogenous

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5
Q

Homogenous

A

Cannot see all the parts

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6
Q

Hetrogenous

A

See all the parts

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7
Q

What state are solutions

A

All states

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8
Q

Solvent

A

Does the disolving

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9
Q

Solute

A

Is being disolved

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10
Q

Aqueous solutions

A

Has water dissolved inside

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11
Q

Like disolves like

A

Polar disolves polar
(Water only disolves polar)

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12
Q

Ionic substances

A

Disolve in water and separate into ions also conducts

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13
Q

Disasociation

A

Separation of ionic compounds into ions

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14
Q

What state are polyatomics

A

(aq)

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15
Q

Do solids dissasociate

A

No

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16
Q

Molceular ions

A

Do not form ions and do not conduct
Doesnt disosiciate

17
Q

Alcohols

A

Need a hydroxyl group rather than a hydroxide group

18
Q

Hydroxyl group

A

Molecular (COOH)

19
Q

Hydroxide group

A

Ionic (OH)

20
Q

Acids

A

Molecules that ionize and conduct

21
Q

What do acids need to have

A

An acidic hydrogen
COOH
or
H

22
Q

Ionization equations need

A

The H to be grouped up

23
Q

Solubility

A

mass/ volume

24
Q

Saturated solutions

A

Max ammount of disolved solute

25
Q

Unsaturated solutions

A

Can disolve more solute

26
Q

Solubility equalibrium

A

Rate of dissolving is equal to rate of crystalization

27
Q

Molar concentration

A

Mols/L

28
Q

The higher the temperature

A

The higher the solubulity

29
Q

The higher the kinetic energy

A

The higher the rate of dissolving

30
Q

For gasses the higher the pressure

A

the higher the solubility

31
Q

For gases the higher the temperature

A

the lower the solubulity
They come out of the solution

32
Q

What do square brackets mean

A

Concentration

33
Q

Net ionic equations

A

Balence
Separate into ions
Cancel out spectator ions

34
Q

Spectator ions

A

Can just be cancelled out

35
Q

Dilutions

A

Do not change chemical amount of substance.
Only volume and concentration

36
Q

Dilutions formula

A

C1V1=C2V2

Chem 20-1 Unit 4 (6 decks)

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