Physical Sciences Memo 2 (English & Afrikaans)

Common 2015 — Grade 12 / Matric — Physical Sciences

Memo 2015 Grade 12 Bilingual Physical Sciences Hub →

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🎯 150 marks 📄 12 pages 📝 67 items found ∑ 1 math symbols 📚 5 topics

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Q1— Section header —

Q2— Section header —

2.1The sharing of electrons between two atoms to form a molecule Die deling van elektrone tussen

2.3

Q3— Section header —

3.1.1The temperature at which the vapour pressure of a liquid equals external or atmospheric\ pressure.

3.1.2M = 6(12\ + 14(1\ = 86 g mol

3.1.3Gas (1\

3.1.4

3.1.5

3.1.6

3.2.1(1\

3.2.2Hydrogen b onding Waterstofbinding (1\

3.2.3Hydrogen bonding between molecules stronger than the London forces /dispersion forces

4.1

4.2Pressure Druk (kPa\ Volume (cm (cm 0,02 0,04 0,05

4.3Criteria for graph/ Riglyne vir grafiek Two points correctly plotted. Twee punte korrek gestip. Four points correctly plotted. Vier punte korrek gestip. Straight line of best fit drawn

4.4= 0,034 V = 29,41 cm Notes/ Aantekeninge: INDIEN Only answer given, allocate rks. Slegs antwoord gegee, ken 2 punte toe.

4.5.1pV = nRT (100 x 10 (22 x 10 = n(8,31\(298\ n = 8 x 10 mol x 10 M = 28

4.6.1At low temperatures molecules move slower /with less kinetic energy ntermolecular forces become more effective The gas liquifi and the v olume

5.2he amount of substance having the same number of particles as there are atoms in 12 g carbon 12. Die hoeveelheid stof wat

5.3NaHCO = 0,0 mol (3\

Q5— Section header —

5.3& 5.4. n(NaHCO in excess oormaat \ = 0,04 0,0 = 0,0 mol m(NaHCO in excess

Q5— Section header —

6.1The amount of solute per litre /cubic decimet of solution. Hoeveelheid opgeloste stof per liter /kubieke desimeter oplossing.

6.1.20,2 = = 0,04 mol (3\

6.1.3POSITIVE MARKING FROM QUESTION

1.2POSITIEWE NASIEN VAN VRAAG

6.1.2(SO n(H (0,04\ = 0,0 mol V = (0 ,02\(22,4\ = 0,45 dm

6.2.1

6.2.2POSITIVE MARKING FROM QUESTION .3.1. POSITIEWE NASIEN VAN VRAAG

6.3.1Marking criteria/ Nasienriglyne: Substitut O\ to calculate n(H O\ Vervang O\m n(H O\ te bereken.

6.2.2

7.1

7.2(1\ (1\

7.31 mol Ba(OH\ releases stel vry: 116 kJ 0,18 mol Ba(OH\ releases stel

8.2.1(aq\ (1\

8.2.3(aq\ (1\

8.2.3HSO (aq\

8.3Neutralisation Neutralisasie (1\

8.3.2(aq\ KOH(aq\ (aq\ 2H Bal. Notes/ Aantekeninge: Reactants Products Balancing: Reaktanse

8.3.3Blue to yellow Blou n a geel (2\

8.3.4Pota sium sulphate Kaliumsulfaat 11

9.1.1Oxidation is a increase in oxidation number Oksidasie is 'n toename in oksidasiegetal (2\

1.22Cr + 7O = 2Cr + ( 14\ = 2 Cr = +6 (1\

9.1.32H + 2O = 0 2 + 2O = 0 O = (1\

9.2.1A reducing agent loses /donates electrons 'n Reduseermiddel verloor/skenk elektrone

9.2.2aq\ (1\

9.2.3(g\

9.2.4(g\ + 2e Marking guidelines/ Nasienriglyne: + 2e + 2e + 2e + 2e (2\

9.2.5aq\ aq\ Marking guidelines/ Nasienriglyne: (2\

9.2.62Fe aq\ + C (g\ 2Fe aq\ Notes/ Aantekeninge: Ignore double arrows./ Ignoreer dubbelpyle.

10.1.1Remove impurities Verwyder onsuiwerhede

10.1.2Reducing agent/Formation of CO Reduseermiddel/Vorming van CO of CO

10.2.1(Hot\ (Warm\ug (1\

10.2.2Molten iron/pig iron Gesmelte yster (1\

10.2.3Slag/CaSiO metaalskuim

10.3arbon monoxide/carbon dioxide/nitrogen monoxide/nitrogen dioxide/nitrogen/ sulphur dioxide Koolstofmonoksied/Koolstofdioksied/stikstofmonoksied/stikstofdioksied/swawel dioksied (1\

10.4.1Reducing agent Reduseermiddel

10.4.2[8] TOTAL TOTAAL ed/8

Mathematical Content

f(x)

Topics Identified

MechanicsOpticsChemical BondingElectrochemistryThermodynamics

Mark Allocation

Total150 marks

Sections20 + 15 + 14 + 8 = 57 marks

Paper information

SubjectPhysical Sciences

Year2015

SessionCommon

TypeMemo

PaperPaper 2

LanguageBilingual

Pages12

Downloads7

Examination context

Decade2010s

Years ago11y

Season—

Start day—

Exam period—

Days since exam—

About Physical Sciences examination preparation

Grade 12 Physical Sciences combines Physics and Chemistry. Paper 1 covers mechanics, electricity, waves, and optics, while Paper 2 focuses on chemical bonding, organic chemistry, and electrochemistry.

Every available Grade 12 Physical Sciences past paper and memorandum is collected in the Physical Sciences hub at physical-science.freemode.co.za — browse all years, sessions and languages in one place.

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applying scientific principles

selecting appropriate equations

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performing calculations with correct units

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A practical revision approach

Create a one-page formula sheet and practice deriving units from first principles. The memorandum rewards correct formula identification, proper substitution, and accurate unit handling.

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