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Chem 20-1 Unit 4 > Review for Quiz 2 > Flashcards

Review for Quiz 2 Flashcards

1
Q

Disacoiation

A

To see if something actually disolves in water

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2
Q

What is one thing to add when writing disacociation equations

A

No diatomics
Add charges
Should be (aq)

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3
Q

Ionic substances

A

Conduct electricity
Disacociate into ions

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4
Q

Molecular substances

A

Do not conduct electricity
Do not disacociate into ions

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5
Q

Alcohols

A

Do not conduct
Moecular with COOH

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6
Q

Acids

A

Molecules that ionize
Have acidic hydrogen (OH)
Or a H
Need to be separated
Conduct electricity

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7
Q

Important note with alcohols

A

There are no (s) since it is not ionic OH

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8
Q

What is solubility

A

Mass over volume

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9
Q

Saturated solution

A

Max amount of solute reached

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10
Q

Unsaturated solution

A

More solute can be added

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11
Q

Solubility equalibrium

A

Use double headed arrows when it says high solubility

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12
Q

The higher the temp

A

The higher the solubility

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13
Q

The higher the kinetic energy

A

The higher the disolving power

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14
Q

The hgiher the pressure for gasses

A

The higher the solubility

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15
Q

The higher the temperature for gases

A

The lower the solubility

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16
Q

Concetration

A

Mols per L
Also called M

17
Q

Ion species concentration

A

Using required over given for concentrations

18
Q

What is an important thing to find out concnetrations

A

Use sqaure brackets to indicate concentration

19
Q

Net ionic equations

A

Balence the equation
Turn into ions
Cancel out specatator ions

20
Q

Dilutions

A

The chemical amoutn does not change but the volume and concenteation does

21
Q

What are sources of error if the experimental value is over the theoretical value

A

Filter paper not fully dry
Impurity of substance

22
Q

What are sources of error if the experimental value is under the theoretical value

A

Purity of solutions
Use higher grade filter paper

23
Q

Electroyles

A

All ionic compounds are
Conduct electriciyt

24
Q

Element

A

Same atoms

25
Q

Compound

A

Different types of atoms

26
Q

Pure substances

A

Element/ compounds

27
Q

Hetrogenous

A

Can see

28
Q

Homogenous

A

Cannot see

29
Q

Alloys

A

Metalic mixtures

30
Q

Mixtures

A

Homogenous
Hetrogenous
Alloys

Chem 20-1 Unit 4 (6 decks)

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