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Revision > Chemistry > Flashcards

Chemistry Flashcards

1
Q

Alkane with 4 carbons

A

Butane

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2
Q

Ethane is said to be…

A

Saturated

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3
Q

Test for saturation

A

Bromine water

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4
Q

What are polymers made of?

A

Monomers

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5
Q

Isomers have…

A

The same formula different structure.

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6
Q

Eh=…

A

mcΔT

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7
Q

ram of carbon

A

12

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8
Q

ram oxygen

A

16

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9
Q

ram Sulphur

A

32

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10
Q

ram Iron

A

56

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11
Q

ram of Calcium

A

40

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12
Q

ram of Helium

A

4

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13
Q

Valency of Carbonate

A

2

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14
Q

What is a precipitation reaction?

A

(aq) + (aq) —-> (s)

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15
Q

Why does boiling point increase the longer the chain.

A

Greater force of attraction

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16
Q

C Of water

A

4.18 kJ/kg/°С

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17
Q

n=…

A

m/gfm

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18
Q

c=…

A

n/V

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19
Q

V is always in…

A

Litres

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20
Q

Valency of Sodium

A

1

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21
Q

Strontium’s group

A

Group 2 (alkali earth-metals)

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22
Q

ram of potassium

A

39

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23
Q

ram of CO3

A

60

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24
Q

ram of O3

A

48

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25
Q

Valency of O

A

2

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26
Q

ram of Aluminium

A

27

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27
Q

ram silver

A

108

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28
Q

ram of Nitrogen

A

14

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29
Q

Process to make ammonia

A

Haber Process

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30
Q

Isotopes

A

Same number of Protons different number of Neutrons.

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31
Q

ram of sodium

A

23

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32
Q

Rate of reaction=

A

Δm/Δt

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33
Q

Sodium chloride conducts when a liquid because…

A

The Ions are free to move

34
Q

Copper conducts as…

A

The electrons are free to move

35
Q

Will solid lithium bromide conduct?

A

No

36
Q

Name of an Alkene with 6 carbons

A

Hexene

37
Q

Electrochemical reaction with Fe3+

A

Fe3+(aq) + 3e- ——> Fe(s)

38
Q

Electrons arrangement Mg

A

2,8,2

39
Q

%m=…

A

m/gfm x 100

40
Q

ram of Lithium

A

7

41
Q

ram of gold

A

197

42
Q

Valency of Zinc

A

2

43
Q

ram of Neon

A

20

44
Q

ram of magnesium

A

24.5

45
Q

ram of Chlorine

A

35.5

46
Q

General formula for Alkanes

A

Cn H2n+2

47
Q

General formula for Alkenes

A

Cn H2n

48
Q

General formula for Cyclo-Alkanes

A

Cn H2n

49
Q

General formula for Cyclo-Alkenes

A

Cn H2n-2

50
Q

Name of OH functional group

A

Hydroxyl-group

51
Q

Name of COOH functional group

A

Carboxyl-group

52
Q

Name of C=C functional group

A

Carbon to Carbon double bond

53
Q

A solution with a higher concentration of H+ Ions is…

A

An Acid

54
Q

A solution with more OH- Ions is…

A

An Alkali

55
Q

A substance with more OH- Ions is…

A

A Base

56
Q

ram of Copper…

A

63.5

57
Q

Universal indicator in acid is…

A

Red

58
Q

Universal indicator in alkali is…

A

Purple

59
Q

Colour of the flame of Na+

A

Yellow

60
Q

Colour of the flame of Li+

A

Red

61
Q

Which Metal is the best conductor?

A

Silver

62
Q

Colour of the flame of Cu2+

A

Blue-green

63
Q

Colour of the flame of K+

A

Lilac

64
Q

Colour of the flame of Ca2+

A

Orange-red

65
Q

Universal indicator in Distilled Water is…

A

Green

66
Q

Li+ (aq) + e- ——> Li (s)

What reaction is this?

A

Reduction reaction

67
Q

Na (s) ——> Na+ (aq) + e-

What reaction is this?

A

Oxidation

68
Q

In a redox reaction…

A

Oxidation and reduction takes place at the same time.

69
Q

Type polymerisation reaction

A

Addition polymerisation

70
Q

What radioisotope is in smoke alarms

A

Americium-241

71
Q

Am - 241 ——>…

A

Np- 237 + He - 4

72
Q

Name of hydroxyl family

A

Alcohols

73
Q

Name of carboxyl family

A

Carboxylic acids

74
Q

charge of ammonium

A

1+

75
Q

Charge of phosphate

A

3-

76
Q

Essential elements for plant growth

A

Nitrogen, Phosphorus and potassium

77
Q

For Nitrogen to be absorbed it must be…

A

In solution

78
Q

Ram Tin

A

118.5

79
Q

Ram of Phosphorus

A

31

80
Q

Ram of Strontium

A

87.5

Revision (5 decks)

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