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Topic 11: Acids & Bases > Vocabulary > Flashcards

Vocabulary Flashcards

1
Q

Base

A

An Arrhenius base is a substance that produces hydroxide ions in an aqueous solution

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2
Q

Neutralization

A

Occurs when an acid and base react in an aqueous solution to form a salt and water

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3
Q

Amphoteric

A

A substance that can act as both an acid and a base

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4
Q

Monoprotic acid

A

And acid with one ionizable hydrogen

Ex: HCl

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5
Q

Diprotic Acid

A

An acid with two ionizable hydrogens

Ex: H2SO4

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6
Q

Triprotic Acid

A

An acid that has three ionizable hydrogens

Ex: H3PO3

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7
Q

pH

A

The negative logarithm of the molar concentration of H+ ions

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8
Q

Indicator

A

A substance that changes color in the presence of an acid or base

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9
Q

3 examples of indicators

A

Litmus paper
Phenolphthalein
Bromothymol blue

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10
Q

Litmus paper reactions

A

Neutral - orange
Acid - red
Base - blue

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11
Q

Phenolphthalein reactions

A

Neutral - clear
Acid - clear
Base - magenta

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12
Q

Bromothymol blue reactions

A

Neutral - real
Acid - yellow
Base - royal blue

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13
Q

Brønsted-Lowry Acids

A

Acids are hydrogen ion donors

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14
Q

Brønsted-Lowry Bases

A

Bases are hydrogen ion acceptors

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15
Q

Lewis Acids

A

Acids accept a pair of electrons

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16
Q

Lewis Bases

A

Bases are substances that donate a pair of electrons

17
Q

Strong Acids

A

HCl hydrochloric acid
H2SO4 sulfuric acid
HNO3 nitric acid

18
Q

Strong Bases

A

NaOH Sodium hydroxide
KOH Potassium hydroxide
Ca(OH)2 Calcium hydroxide
Mg(OH)2 Magnesium hydroxide

19
Q

Conjugate acid

A

Particle formed when a weak base gains a hydrogen ion

20
Q

Conjugate base

A

Particle formed when a weak acid gains a hydroxide ion

21
Q

Neutral solution

A

pH=7

22
Q

Properties of acids

A 
Sour
Change color of indicators 
React with metals 
Contain H in formula 
Proton H+ donors
pH
23
Q

Properties of bases

A 
Bitter
Slippery to touch
Change color of indicators
Emulsify fats and oils 
Contain OH in formula 
Proton H+ acceptors 
pH>7
24
Q

Acid

A

An Arrhenius acid is a substance that produces hydrogen ions when dissolved in an aqueous solution

25
Q

Buffer

A

A substance that can combine with both acids and bases and are used to keep a constant pH in aqueous solutions

Topic 11: Acids & Bases (1 decks)

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