Downloaded from hlayiso.com
NATIONAL SENIOR CERTIFICATE: TECHNICAL SCIENCES: PAPER II – DATA SHEET Page i of iv
EXAMINATION DATA SHEET FOR TECHNICAL SCIENCES
TABLE 1 PHYSICAL CONSTANTS
NAME SYMBOL VALUE
Standard pressure pθ 1,01 × 105 Pa
Standard temperature T0 273 K
Speed of light in a vacuum c 3,0 × 108 m⋅s–1
Planck's constant h 6,63 × 10–34 J⋅s
TABLE 2 WAVES, SOUND AND LIGHT
1
v = fλ T=
f
c
= =
E hf or E h
λ
TABLE 3 FORMULAE
θ θ θ
=
E cell Ecathode − Eanode
θ θ θ
=
E cell Ereduction − Eoxidation
=Eθcell Eoxidising
θ θ
agent − Ereducing agent
IEB Copyright © 2019 PLEASE TURN OVER
Skip to contentData sheet 










Technical Sciences Grade 12 IEB Paper 2 2019 Data Sheet
IEB Grade 12 Technical Sciences Paper 2 data sheet from the 2019, 4 pages. Read online or get the free PDF download.
Publisher: IEB
Technical Sciences · Grade 12 · 2019. Data sheet, 4 pages. Read online or download the PDF.
- Subject
- Technical Sciences
- Grade
- Grade 12
- Document type
- Data sheet
- Year
- 2019
- Paper
- 2
- Publisher
- IEB
- Curriculum
- IEB
- Pages
- 4
- File size
- 299.2 KB
Loading document…
Loading document…
1 of 4
Document textSearch extracted text and jump to a page.
Downloaded from hlayiso.com
NATIONAL SENIOR CERTIFICATE: TECHNICAL SCIENCES: PAPER II – DATA SHEET Page ii of iv
TABLE 4 PERIODIC TABLE OF ELEMENTS
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
KEY/SLEUTEL
1 2,1 Atomic number/Atoomgetal 1 2,1 Electronegativity/Elektronegatiwiteit 2
1 H He
1 H Symbol/Simbool 4
3 1,0 4 1,5 5 2,0 6 2,5 7 3,0 8 3,5 9 4,0 10
1
2 Li Be Approximate relative atomic mass/ B C N O F Ne
7 9 10,8 12 14 16 19 20
11 0,9 12 1,2 Benaderde relatiewe atoommassa 13 1,5 14 1,8 15 2,1 16 2,5 17 3,0 18
3 Na Mg Aℓ Si P S Cℓ Ar
23 24,3 27 28 31 32 35,5 40
19 0,8 20 1,0 21 1,3 22 1,5 23 1,6 24 1,6 25 1,5 26 1,8 27 1,8 28 1,8 29 1,9 30 1,6 31 1,6 32 1,8 33 2,0 34 2,4 35 2,8 36
4 K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr
39 40 45 48 51 52 55 56 59 59 63,5 65,4 70 72,6 75 79 80 84
37 0,8 38 1,0 39 1,2 40 1,4 41 42 1,8 43 1,9 44 2,2 45 2,2 46 2,2 47 1,9 48 1,7 49 1,7 50 1,8 51 1,9 52 2,1 53 2,5 54
5 Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe
85,5 88 89 91 93 96 99 101 103 106 108 112 115 119 121 128 127 131
55 0,7 56 0,9 57 72 1,6 73 74 75 76 77 78 79 80 81 1,8 82 1,8 83 1,9 84 2,0 85 2,5 86
6 Cs Ba La Hf Ta W Re Os Ir Pt Au Hg Tℓ Pb Bi Po At Rn
133 137,3 139 178,5 181 184 186 190 192 195 197 200,6 204,4 207 209
87 0,7 88 0,9 89
7 Fr Ra Ac
58 58 59 60 61 62 63 64 65 66 67 68 69 70 71
Ba Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu
137,3 140 141 144 150 152 157 159 163 165 167 169 173 175
56 90 91 92 93 94 95 96 97 98 99 100 101 102 103
Ba Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No Lr
137,3 232 238
IEB Copyright © 2019
Downloaded from hlayiso.com
NATIONAL SENIOR CERTIFICATE: TECHNICAL SCIENCES: PAPER II – DATA SHEET Page iii of iv
TABLE 5A STANDARD REDUCTION POTENTIALS
Half-reactions Eθ (V)
–
F2(g) + 2e ⇌ 2F– + 2,87
3+ –
Co + e ⇌ Co2+ + 1,81
H2O2 + 2H+ + 2e– ⇌ 2H2O + 1,77
– –
MnO + 8H + 5e ⇌ Mn2+ + 4H2O + 1,51
Cℓ2(g) + 2e –
⇌ 2Cℓ– + 1,36
Cr2O + 14H+ + 6e– ⇌ 2Cr3+ + 7H2O + 1,33
O2(g) + 4H+ + 4e– ⇌ 2H2O + 1,23
+ –
MnO2 + 4H + 2e ⇌ Mn2+ + 2H2O + 1,23
Pt2+ + 2e– ⇌ Pt + 1,20
Br2(ℓ) + 2e –
⇌ 2Br– + 1,07
NO + 4H+ + 3e– ⇌ NO(g) + 2H2O + 0,96
Hg2+ + 2e– ⇌ Hg(ℓ) + 0,85
+ –
⇌
Increasing reducing ability
Ag + e Ag + 0,80
NO + 2H+ + e– ⇌ NO2(g) + H2O + 0,80
3+ –
Fe + e ⇌ Fe2+ + 0,77
+ –
O2(g) + 2H + 2e ⇌ H2O2 + 0,68
I2 + 2e– ⇌ 2I– + 0,54
Cu+ + e– ⇌ Cu + 0,52
+ –
SO2 + 4H + 4e ⇌ S + 2H2O + 0,45
Increasing oxidising ability
2H2O + O2 + 4e– ⇌ 4OH– + 0,40
Cu2+ + 2e– ⇌ Cu + 0,34
+ –
SO + 4H + 2e ⇌ SO2(g) + 2H2O + 0,17
Cu2+ + e– ⇌ Cu+ + 0,16
Sn4+ + 2e– ⇌ Sn2+ + 0,15
+ –
S + 2H + 2e ⇌ H2S(g) + 0,14
2H+ + 2e– ⇌ H2(g) 0,00
3+ –
Fe + 3e ⇌ Fe – 0,06
Pb2+ + 2e– ⇌ Pb – 0,13
2+ –
Sn + 2e ⇌ Sn – 0,14
2+ –
Ni + 2e ⇌ Ni – 0,27
Co2+ + 2e– ⇌ Co – 0,28
2+ –
Cd + 2e ⇌ Cd – 0,40
3+ –
Cr + e ⇌ Cr2+ – 0,41
Fe2+ + 2e– ⇌ Fe – 0,44
3+ –
Cr + 3e ⇌ Cr – 0,74
2+ –
Zn + 2e ⇌ Zn – 0,76
2H2O + 2e– ⇌ H2(g) + 2OH– – 0,83
2+ –
Cr + 2e ⇌ Cr – 0,91
2+ –
Mn + 2e ⇌ Mn – 1,81
Aℓ3+ + 3e– ⇌ Aℓ – 1,66
2+ –
Mg + 2e ⇌ Mg – 2,36
Na+ + e– ⇌ Na – 2,71
2+ –
Ca + 2e ⇌ Ca – 2,87
2+ –
Sr + 2e ⇌ Sr – 2,89
Ba2+ + 2e– ⇌ Ba – 2,90
+ –
Cs + e ⇌ Cs – 2,92
+ –
K +e ⇌ K – 2,93
Li+ + e– ⇌ Li – 3,05
IEB Copyright © 2019 PLEASE TURN OVER
Downloaded from hlayiso.com
NATIONAL SENIOR CERTIFICATE: TECHNICAL SCIENCES: PAPER II – DATA SHEET Page iv of iv
TABLE 5B STANDARD REDUCTION POTENTIALS
Half-reactions Eθ (V)
+ –
Li + e ⇌ Li –3,05
+ –
K +e ⇌ K –2,93
Cs+ + e– ⇌ Cs –2,92
2+ –
Ba + 2e ⇌ Ba –2,90
2+ –
Sr + 2e ⇌ Sr –2,89
Ca2+ + 2e– ⇌ Ca –2,87
+ –
Na + e ⇌ Na –2,71
2+ –
Mg + 2e ⇌ Mg –2,36
Aℓ3– + 3e– ⇌ Aℓ –1,66
2+ –
Mn + 2e ⇌ Mn –1,18
2+ –
Cr + 2e ⇌ Cr –0,91
2H2O + 2e– ⇌ H2(g) + 2OH– –0,83
2+ –
Zn + 2e ⇌ Zn –0,76
Cr3+ + 3e– ⇌ Cr –0,74
2+ –
⇌
Increasing reducing ability
Fe + 2e Fe –0,44
3+ –
Cr + e ⇌ Cr2+ –0,41
Cd2+ + 2e– ⇌ Cd –0,40
2+ –
Co + 2e ⇌ Co –0,28
2+ –
Ni + 2e ⇌ Ni –0,27
Increasing oxidising ability
Sn2+ + 2e– ⇌ Sn –0,14
2+ –
Pb + 2e ⇌ Pb –0,13
3+ –
Fe + 3e ⇌ Fe –0,06
2H+ + 2e– ⇌ H2(g) 0,00
+ –
S + 2H + 2e ⇌ H2S(g) +0,14
4+ –
Sn + 2e ⇌ Sn2+ +0,15
Cu2+ + e– ⇌ Cu+ +0,16
+ –
SO + 4H + 2e ⇌ SO2(g) + 2H2O +0,17
Cu2+ + 2e– ⇌ Cu +0,34
–
2H2O + O2 + 4e ⇌ 4OH– +0,40
+ –
SO2 + 4H + 4e ⇌ S + 2H2O +0,45
Cu+ + e– ⇌ Cu + 0,52
–
I2 + 2e ⇌ 2I– +0,54
+ –
O2(g) + 2H + 2e ⇌ H2O2 +0,68
Fe3+ + e– ⇌ Fe2+ +0,77
NO + 2H+ + e– ⇌ NO2(g) + H2O +0,80
+ –
Ag + e ⇌ Ag +0,80
Hg2+ + 2e– ⇌ Hg(ℓ) +0,85
+ –
NO + 4H + 3e ⇌ NO(g) + 2H2O +0,96
Br2(ℓ) + 2e –
⇌ 2Br– +1,07
Pt2+ + e– ⇌ Pt +1,20
+ –
MnO2 + 4H + 2e ⇌ Mn2+ + 2H2O +1,23
O2(g) + 4H+ + 4e– ⇌ 2H2O +1,23
+ –
Cr2O + 14H + 6e ⇌ 2Cr3+ + 7H2O +1,33
Cℓ2(g) + 2e –
⇌ 2Cℓ– +1,36
MnO + 8H+ + 5e– ⇌ Mn2+ + 4H2O +1,51
H2O2 + 2H+ + 2e– ⇌ 2H2O +1,77
3+ –
Co + e ⇌ Co2+ +1,81
F2(g) + 2e– ⇌ 2F– +2,87
IEB Copyright © 2019
Study this subject
Revise the topics in this paper, then practise them question by question.
- Grade 12 Technical Sciences notes
CAPS revision notes with worked examples.
- Technical Sciences questions by topic
Past exam questions sorted by CAPS topic, with memos where available.
- Grade 12 Technical Sciences quizzes
Short topic quizzes with instant feedback.
- All Grade 12 Technical Sciences past papers
Past papers by year, with memos where available.
- Grade 12 IEB past papers
More Technical Sciences and other subjects in this collection.
Recommended for this subject
More papers and memos for this grade and subject.

Data sheetIEB
Technical Sciences Grade 12 IEB Paper 1 2019 Data Sheet

Data sheetIEB
Technical Sciences Grade 12 IEB P1 2019 Data Sheet (Afrikaans)

Data sheetIEB
Technical Sciences Grade 12 IEB P2 2019 Data Sheet (Afrikaans)

Question paperIEB
Technical Sciences Grade 12 IEB Paper 1 2019 Question Paper

MemorandumIEB
Technical Sciences Grade 12 IEB Paper 1 2019 Memo

Question paperIEB
Technical Sciences Grade 12 IEB Paper 2 2019 Question Paper
Related documents

MemorandumIEB
Technical Sciences Grade 12 IEB Paper 2 2019 Memo

Question paperIEB
Technical Sciences Grade 12 IEB P2 2019 Question Paper (Afr)

Question paperIEB
Technical Sciences Grade 12 IEB P2 2019 Question Paper (Afr)

Question paperIEB
Technical Sciences Grade 12 IEB P1 2019 Question Paper (Afr)

MemorandumIEB