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Year 12 Take 1 Chem > Unit three JT > Flashcards

Unit three JT Flashcards

1
Q

What does Avogadro’s number represent

A

The number of particles in a mole

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2
Q

Nitric acid

A

HNO3

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3
Q

Sulfuric acid

A

H2SO3

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4
Q

Hydrochloric acid

A

HCL

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5
Q

Ethanoic acid

A

CH3COOH

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6
Q

What do acids release when added to water

A

H+ ions

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7
Q

Definition of an acid (1)

A

A proton donor

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8
Q

Definition of an acid (2)

A

A substance with a pH of 1-6 that provides H+ ions

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9
Q

Common metal oxides

A

MgO, CuO

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10
Q

Common metal hydroxides

A

NaOH, Mg(OH)2, KOH

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11
Q

Common metal carbonates

A

CaCO3, CuCO3

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12
Q

Ammonia and amines

A

NH3, CH3NH2

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13
Q

Definition of a base (1)

A

A proton acceptor

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14
Q

Definition of a base (2)

A

Any substance with a pH of 8-14 that provides OH- ions

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15
Q

Alkali definition

A

Soluble bases

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16
Q

Sodium hydroxide (common alkali)

A

NaOH

17
Q

Potassium hydroxide (common alkali)

A

KOH

18
Q

Ammonia (common alkali)

A

NH3

19
Q

What do alkalis release into a solution

A

OH- ions

20
Q

Ionic equation for ammonia in water

A

NH3 + H20 ⇌ NH4+ +OH-

21
Q

What is an amphoteric substance

A

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

22
Q

How are amino acids amphoteric substances

A

They have a carboxyl group that is able to donate a proton and an amino group that is able to accept a proton
NH3-CH2-COOH

23
Q

OH- + H+ =

A

H20

24
Q

metal + acid =

A

salt + hydrogen

25
Q

metal hnydroxide/oxide + acid =

A

salt + water

26
Q

metal carbonate + acid =

A

salt + carbon dioxide + water

27
Q

ammonia + acid =

A

ammonium salt

28
Q

What salt does hydrochloric acid make

A

Chlorides

29
Q

What salt does sulfuric acid make

A

Sulfates

30
Q

What salt does nitric acid make

A

Nitrates

31
Q

What salt does ethanoic acid make

A

Ethanoates

32
Q

Zinc + hydrochloric acid

A

Zinc chloride + water

33
Q

Sodium Hydroxide + sulfuric acid

A

Sodium hydrogen sulfate + water

34
Q

Calcium hydroxide + hydrochloric acid

A

Calcium Chloride + water

35
Q

Calcium carbonate + nitric acid

A

Calcium nitrate + carbon dioxide + water

36
Q

Ammonia + sulfuric acid

A

Ammonium sulfate

Year 12 Take 1 Chem (9 decks)

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