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chemistryyyy > Ch301 Acid Base Test > Flashcards

Ch301 Acid Base Test Flashcards

1
Q

Bronsted Lowry definition acids

A

Proton donors

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2
Q

Bronsted lowry definition base

A

proton acceptors

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3
Q

Lewis def acids

A

Electron pair acceptors

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4
Q

Lewis def base

A

Electron pair donors

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5
Q

Arrhenius base

A

Compound that break apart to give off a hydroxide ion

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6
Q

Arrhenius acids

A

Compound which break apart to give off an H+

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7
Q

Carboxylic acid

A

Contains carboxyl group

-COOH

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8
Q

Ternary acid

A

Contains 3 elements with hydrogen attached to at least one oxygen atom

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9
Q

Binary acid

A

HX
hydro(X)ic acid

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10
Q

Solution of known concentration

A

Titrant
What we put in buret

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11
Q

Solution of unknown concentration

A

Analyze; what we are analyzing
What we put in flask

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12
Q

Equivalence point

A

Point in titration at which stoichiometric amounts of acid and base have reacted
# mol OH- = # mol H+

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13
Q

End point

A

Point in titration at which chemical indicator changes color

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14
Q

when does pH = pKA

A

at 1/2 equivalence point

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15
Q

what is the resulting solution of the equivalence point

A

salt and water

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16
Q

when can we ignore x in mass expressions

A

when x is less than 5% of the value it is subtracted from

17
Q

What might keep ignoring x from being a valid assumption

A

A large value of K
or a small initial concentration.

18
Q

percent ionization formula

A
19
Q

what type of arrow is used for problems regarding the half equivalence pt

A

forward error, all WA and or WB is neutralized to CB and all other products

20
Q

at equivalence pt if 5 mols aniline is added, how much HNO3 is added?

A

5 mols is added(but not like 1/2 equivalence pt where at equilibrium that will be how much is left)

21
Q

as H+ atoms get pulled off polyphonic acids what happens to the pH

A

it becomes more basic

chemistryyyy (40 decks)

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