Chemistry Flashcards
1
Q
Alkane with 4 carbons
A
Butane
2
Q
Ethane is said to be…
A
Saturated
3
Q
Test for saturation
A
Bromine water
4
Q
What are polymers made of?
A
Monomers
5
Q
Isomers have…
A
The same formula different structure.
6
Q
Eh=…
A
mcΔT
7
Q
ram of carbon
A
12
8
Q
ram oxygen
A
16
9
Q
ram Sulphur
A
32
10
Q
ram Iron
A
56
11
Q
ram of Calcium
A
40
12
Q
ram of Helium
A
4
13
Q
Valency of Carbonate
A
2
14
Q
What is a precipitation reaction?
A
(aq) + (aq) —-> (s)
15
Q
Why does boiling point increase the longer the chain.
A
Greater force of attraction
16
Q
C Of water
A
4.18 kJ/kg/°С
17
Q
n=…
A
m/gfm
18
Q
c=…
A
n/V
19
Q
V is always in…
A
Litres
20
Q
Valency of Sodium
A
1
21
Q
Strontium’s group
A
Group 2 (alkali earth-metals)
22
Q
ram of potassium
A
39
23
Q
ram of CO3
A
60
24
Q
ram of O3
A
48
25
Valency of O
2
26
ram of Aluminium
27
27
ram silver
108
28
ram of Nitrogen
14
29
Process to make ammonia
Haber Process
30
Isotopes
Same number of Protons different number of Neutrons.
31
ram of sodium
23
32
Rate of reaction=
Δm/Δt
33
Sodium chloride conducts when a liquid because…
The Ions are free to move
34
Copper conducts as…
The electrons are free to move
35
Will solid lithium bromide conduct?
No
36
Name of an Alkene with 6 carbons
Hexene
37
Electrochemical reaction with Fe3+
Fe3+(aq) + 3e- ——> Fe(s)
38
Electrons arrangement Mg
2,8,2
39
%m=…
m/gfm x 100
40
ram of Lithium
7
41
ram of gold
197
42
Valency of Zinc
2
43
ram of Neon
20
44
ram of magnesium
24.5
45
ram of Chlorine
35.5
46
General formula for Alkanes
Cn H2n+2
47
General formula for Alkenes
Cn H2n
48
General formula for Cyclo-Alkanes
Cn H2n
49
General formula for Cyclo-Alkenes
Cn H2n-2
50
Name of OH functional group
Hydroxyl-group
51
Name of COOH functional group
Carboxyl-group
52
Name of C=C functional group
Carbon to Carbon double bond
53
A solution with a higher concentration of H+ Ions is…
An Acid
54
A solution with more OH- Ions is…
An Alkali
55
A substance with more OH- Ions is…
A Base
56
ram of Copper…
63.5
57
Universal indicator in acid is…
Red
58
Universal indicator in alkali is…
Purple
59
Colour of the flame of Na+
Yellow
60
Colour of the flame of Li+
Red
61
Which Metal is the best conductor?
Silver
62
Colour of the flame of Cu2+
Blue-green
63
Colour of the flame of K+
Lilac
64
Colour of the flame of Ca2+
Orange-red
65
Universal indicator in Distilled Water is…
Green
66
Li+ (aq) + e- ——> Li (s)
What reaction is this?
Reduction reaction
67
Na (s) ——> Na+ (aq) + e-
What reaction is this?
Oxidation
68
In a redox reaction…
Oxidation and reduction takes place at the same time.
69
Type polymerisation reaction
Addition polymerisation
70
What radioisotope is in smoke alarms
Americium-241
71
Am - 241 ——>…
Np- 237 + He - 4
72
Name of hydroxyl family
Alcohols
73
Name of carboxyl family
Carboxylic acids
74
charge of ammonium
1+
75
Charge of phosphate
3-
76
Essential elements for plant growth
Nitrogen, Phosphorus and potassium
77
For Nitrogen to be absorbed it must be…
In solution
78
Ram Tin
118.5
79
Ram of Phosphorus
31
80
Ram of Strontium
87.5
