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1 PHYSICAL SCIENCES P2/FISIESE WETENSKAPPE V2 (SEPTEMBER 2012)
NATIONAL SENIOR CERTIFICATE
NASIONALE SENIOR SERTIFIKAAT
DATA FOR PHYSICAL SCIENCES GRADE 12
PAPER 2 (CHEMISTRY)
GEGEWENS VIR FISIESE WETENSKAPPE GRAAD 12
VRAESTEL 2 (CHEMIE)
TABLE 1: PHYSICAL CONSTANTS/TABEL 1: FISIESE KONSTANTES
NAAM/NAME SIMBOOL/SYMBOL WAARDE/VALUE
Standard pressure
p 1,013 x 105 Pa
Standaarddruk
Molar gas volume at STP
Vm 22,4 dm3∙mol-1
Molêre gasvolume teen STD
Standard temperature
Tθ 273 K
Standaardtemperatuur
TABLE 2: FORMULAE/TABEL 2: FORMULES
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Physical Sciences Grade 12 P2 Eastern Cape Mock 2012 QP
Grade 12 Physical Sciences Paper 2 question paper from the Eastern Cape Mock Exam 2012, 6 pages. Read online or download the free PDF.
Physical Sciences · Grade 12 · Eastern Cape Mock Exam · 2012. Question paper, 6 pages. Read online or download the PDF.
- Subject
- Physical Sciences
- Grade
- Grade 12
- Document type
- Question paper
- Year
- 2012
- Exam period
- Eastern Cape Mock Exam
- Paper
- 2
- Curriculum
- CAPS
- Pages
- 6
- File size
- 1.0 MB
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1 of 6
This exam
Eastern Cape Mock Exam 2012
Questions in this paper
- Question 1Organic Compounds and Macromolecules5 marks
- Question 2Organic Compounds and Macromolecules16 marks
- Question 3Organic Compounds and Macromolecules8 marks
- Question 4Organic Compounds and Macromolecules12 marks
- Question 5Organic Compounds and Macromolecules21 marks
- Question 6Rate and Extent of Reactions20 marks
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(SEPTEMBER 2012) PHYSICAL SCIENCES P2/ FISIESE WETENSKAPPE V2 2
TABEL 3: DIE PERIODIEKE TABEL VAN ELEMENTE/TABLE 3: THE PERIODIC TABLE OF ELEMENTS
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
(I) (II) (III) (IV) (V) (VI) (VII) (VIII)
SLEUTEL/KEY Atoomgetal
1 Atomic number 2
2,1 H He
1 29 4
3 4 Elektronegatiwiteit Simbool 5 6 7 8 9 10
1,0 Li 1,5 Be Electronegativity 1,9 Cu Symbol 2,0 B 2,5 C 3,0 N 3,5 O 4,0 F Ne
7 9 63,5 11 12 14 16 19 20
11 12 13 14 15 16 17 18
0,9 Na 1,2 Mg Benaderde relatiewe atoommassa 1,5 Aℓ 1,8 Si 2,1 P 2,5 S 3,0 Cℓ Ar
23 24 Approximate relative atomic mass 27 28 31 32 35,5 40
19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36
0,8 K 1,0 Ca 1,3 Sc 1,5Ti 1,6 V 1,6 Cr 1,5 Mn 1,8 Fe 1,8 Co 1,8Ni 1,9 Cu 1,6 Zn 1,6 Ga 1,8 Ge 2,0 As 2,4 Se 2,8 Br Kr
39 40 45 48 51 52 55 56 59 59 63,5 65 70 73 75 79 80 84
37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54
0,8 Rb 1,0 Sr 1,2 Y 1,4Zr Nb 1,8 Mo 1,9 Tc 2,2 Ru 2,2 Rh 2,2
Pd 1,9 Ag 1,7 Cd 1,7 In 1,8 Sn 1,9 Sb 2,1 Te 2,5 I Xe
86 88 89 91 92 96 101 103 106 108 112 115 119 122 128 127 131
55 56 57 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86
0,7 Cs 0,9 Ba La 1,6Hf Ta W Re Os Ir Pt Au Hg 1,8 Tℓ 1,8 Pb 1,9 Bi 2,0 Po 2,5 At Rn
133 137 139 179 181 184 186 190 192 195 197 201 204 207 209
87 88 89
0,7 Fr 0,9 Ra Ac
226 58 59 60 61 62 63 64 65 66 67 68 69 70 71
Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu
140 141 144 150 152 157 159 163 165 167 169 173 175
90 91 92 93 94 95 96 97 98 99 100 101 102 103
Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No Lr
232 238
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3 PHYSICAL SCIENCES P2/FISIESE WETENSKAPPE V2 (SEPTEMBER 2012)
TABEL 4A: STANDAARD REDUKSIEPOTENSIALE
TABLE 4A: STANDARD REDUCTION POTENTIALS
Halfreaksies / Half-reactions (V)
F2(g) + 2e ⇌ 2F + 2,87
Co3+ + e ⇌ Co2+ + 1,81
+
H2O2 + 2H +2e ⇌ 2H2O +1,77
2+
⇌
+
MnO 4 + 8H + 5e Mn + 4H2O + 1,51
Cℓ2(g) + 2e ⇌ 2Cℓ + 1,36
2
Cr2O 7 +
+ 14H + 6e ⇌ 2Cr3+ + 7H2O + 1,33
+
O2(g) + 4H + 4e ⇌ 2H2O + 1,23
+ 2+
MnO2+ 4H + 2e ⇌ Mn + 2H2O + 1,23
Pt2+ + 2e ⇌ Pt + 1,20
Br2(ℓ) + 2e ⇌ 2Br + 1,07
+
NO 3 + 4H + 3e ⇌ NO(g) + 2H2O + 0,96
Toenemende reduserende vermoë/Increasing reducing ability
2+
Hg + 2e ⇌ Hg(ℓ) + 0,85
Ag+ + e ⇌ Ag + 0,80
Toenemende oksiderende vermoë/Increasing oxidising ability
+
NO 3 + 2H + e ⇌ NO2(g) + H2O + 0,80
3+ 2+
Fe +e ⇌ Fe + 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
2H2O + O2 + 4e ⇌ 4OH + 0,40
Cu2+ + 2e ⇌ Cu + 0,34
2
⇌
+
SO 4 + 4H + 2e SO2(g) + 2H2O + 0,17
2+ +
Cu +e ⇌ Cu + 0,16
Sn4+ + 2e ⇌ Sn2+ + 0,15
+
S + 2H + 2e ⇌ H2S(g) + 0,14
2H+ + 2e ⇌ H2(g) 0,00
Fe3+ + 3e ⇌ Fe 0,06
Pb2+ + 2e ⇌ Pb 0,13
2+
Sn + 2e ⇌ Sn 0,14
Ni2+ + 2e ⇌ Ni 0,27
Co2+ + 2e ⇌ Co 0,28
Cd2+ + 2e ⇌ Cd 0,40
3+ 2+
Cr +e ⇌ Cr 0,41
Fe2+ + 2e ⇌ Fe 0,44
Cr3+ + 3e ⇌ Cr 0,74
2+
Zn + 2e ⇌ Zn 0,76
2H2O + 2e ⇌ H2(g) + 2OH 0,83
Cr2+ + 2e ⇌ Cr 0,91
Mn2+ + 2e ⇌ Mn 1,18
Aℓ 3+
+ 3e ⇌ Aℓ 1,66
Mg2+ + 2e ⇌ Mg 2,36
Na+ + e ⇌ Na 2,71
Ca2+ + 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
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(SEPTEMBER 2012) PHYSICAL SCIENCES P2/FISIESE WETENSKAPPE V2 4
TABEL 4B: STANDAARD REDUKSIEPOTENSIALE
TABLE 4B: STANDARD REDUCTION POTENTIALS
Halfreaksies/Half-reactions
(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
2+
Ca + 2e ⇌ Ca 2,87
+
Na + e ⇌ Na 2,71
2+
Mg + 2e ⇌ Mg 2,36
3+
Aℓ + 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
3+
Cr + 3e ⇌ Cr 0,74
Toenemende oksiderende vermoë/Increasing oxidising ability Toenemende reduserende vermoë/Increasing reducing ability
2+
Fe + 2e ⇌ Fe 0,44
3+ 2+
Cr + e ⇌ Cr 0,41
2+
Cd + 2e ⇌ Cd 0,40
2+
Co + 2e ⇌ Co 0,28
2+
Ni + 2e ⇌ Ni 0,27
2+
Sn + 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+ 2+
Sn + 2e ⇌ Sn + 0,15
2+ +
Cu + e ⇌ Cu + 0,16
2
⇌
+
SO 4 + 4H + 2e SO2(g) + 2H2O + 0,17
2+
Cu + 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
3+ 2+
Fe + e ⇌ Fe + 0,77
+
NO 3 + 2H + e ⇌ NO2(g) + H2O + 0,80
+
Ag + e ⇌ Ag + 0,80
2+
Hg + 2e ⇌ Hg(ℓ) + 0,85
+
NO 3 + 4H + 3e ⇌ NO(g) + 2H2O + 0,96
Br2(ℓ) + 2e ⇌ 2Br + 1,07
2+
Pt + 2 e ⇌ Pt + 1,20
+ 2+
MnO2+ 4H + 2e ⇌ Mn + 2H2O + 1,23
+
O2(g) + 4H + 4e ⇌ 2H2O + 1,23
2 3+
⇌
+
Cr2O 7 + 14H + 6e 2Cr + 7H2O + 1,33
Cℓ2(g) + 2e ⇌ 2Cℓ + 1,36
2+
⇌
+
MnO 4 + 8H + 5e Mn + 4H2O + 1,51
+
H2O2 + 2H +2 e ⇌ 2H2O +1,77
3+ 2+
Co + e ⇌ Co + 1,81
F2(g) + 2e ⇌ 2F + 2,87
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5 PHYSICAL SCIENCES P2/FISIESE WETENSKAPPE V2 (SEPTEMBER 2012)
PHYSICAL SCIENCES – PAPER 2
FISIESE WETENSKAPPE – VRAESTEL 2
ANSWER SHEET / ANTWOORDBLAD
NAME AND SURNAME:
NAAM EN VAN:
SECTION A/AFDELING A
QUESTION 1: ONE WORD-ITEMS/VRAAG 1: EENWOORD-ITEMS
1.1 (1)
1.2 (1)
1.3 (1)
1.4 (1)
1.5 (1)
[5]
QUESTION 2: MULTIPLE CHOICE QUESTIONS/
VRAAG 2: MEERVOUDIGEKEUSE-VRAE
2.1 A B C D
2.2 A B C D
2.3 A B C D
2.4 A B C D
2.5 A B C D
2.6 A B C D
2.7 A B C D
2.8 A B C D
2.9 A B C D
2.10 A B C D (10x2) [20]
TOTAL SECTION A/TOTAAL AFDELING A: 25
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