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Chemistry 1 > Unit 12 Quiz > Flashcards

Unit 12 Quiz Flashcards

1
Q

Acid

A

a chemical that increases the amount of hydrogen ions (H+) in an aqueous solution

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2
Q

taste sour

A

acid

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3
Q

how do acids change litmus paper?

A

Acids change litmus paper from blue to red

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4
Q

Reacts with metals to release hydrogen gas (H2)

A

Acid

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5
Q

Neutralization Reaction

A

acids and bases reacting to produce salt and water

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6
Q

Both acids and bases _____________________.

A

conduct electricity in aqueous solutions.

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7
Q

Base

A

a chemical that increases the amount of hydroxide (OH-) ions in an aqueous solution

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8
Q

What are the 2 kinds of bases?

A

Metal Hydroxides- ionic compounds that contain metal and hydroxide.
Molecular Bases- covalently bonded molecules that remove a hydrogen atom from water.

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9
Q

taste bitter

A

base

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10
Q

how do bases change litmus paper

A

bases change red litmus paper blue

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11
Q

feels slippery

A

base

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12
Q

Concentration

A

the amount of acid in a solution

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13
Q

Strength

A

the degree of ionization/dissociation

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14
Q

Properties of Strong Acids

A

-Ionize completely in water
-strong conductor
-high polarity
-low bond energy

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15
Q

Properties of Weak Acids

A

-Ionize partially in water
-weak conductors
-reverse reaction is favored, some acids will remain intact

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16
Q

Properties of Strong Bases

A

-dissociates completely in water.
-strong conductors
-tend to be hydroxides with group 1 or 2 metals (metal hydroxides)
-very soluble in water

17
Q

Properties of Weak Bases

A

-Dissociate partially in water
-weak conductors
-tend to be molecular bases

18
Q

pH greater than 7

A

base

19
Q

pH less than 7

A

acid

20
Q

feels like water

A

acid

21
Q

Turns phenolphthalein pink

A

base

22
Q

Turns phenolphthalein colorless

A

acid

23
Q

H30 is greater than OH

A

solution is acidic

24
Q

H30 is less than OH

A

solution is basic

25
Q

pH

A

a way to express the concentration of hydronium ions

26
Q

pOH

A

a way to express the concentration of hydroxide ions.

27
Q

Higher molarity means that

A

more acid or base is disolved in a solution

28
Q

For strong acids the [H3O+] is equal to…

A

the concentration of the acid

29
Q

for strong bases the [OH-] is equal to ….

A

the concentration of the base times the number of OH-

30
Q

Titration

A

a solution of known concentration (titrant) is used to find the unknown concentration of another solution (the analyte)

31
Q

Equivilance point

A

a point where the tirant and analyte are present in chemically equivalent ammounts

32
Q

End point

A

the point where the indicator changes color

Chemistry 1 (6 decks)

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