Physical Sciences Memo 2 (English & Afrikaans)

November 2009 — Grade 12 / Matric — Physical Sciences

Memo 2009 Grade 12 Afrikaans Physical Sciences Hub →

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❓ 12 questions 📄 17 pages 📝 115 items found ∑ 1 math symbols 📚 5 topics

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Questions — A Preview of What to Expect in the Document

115

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Q1— Section header —

1.1Kraking [12.2.1] (1)1

1.2Collision theory / [12.2.1] (1)1

1.3Aktiveringsenergie [12.2.1] (1)1

1.4Oxidising agent / [12.2.1] (1)1

1.5Eutrofisering [12.2.1] (1) [5]5

Q2— Section header —

2.12

2.22

2.3the rate of [12.2.2] (2)2

2.4

2.5

Q3— Section header —

3.1[12.2.3] (2)2

3.2[12.2.3] (2)2

3.3[12.1.2] (2)2

3.4[12.1.2] (2)2

3.5[12.2.3] (2) [10] TOTAL SECTION A/10

Q2— Section header —

Q3— Section header —

Q4— Section header —

4.1OR/ OF C N

4.2.2Propyl propanoate / Propielpropanoaat [12.2.3] (1)1

4.2.3(1) [12.2.3]

4.3.2-ethyl- -methylpropanamide (1) [12] [12.2.2]12

4.2.1++ C OOC C H H CCC HH HH C C CO HH (6\ 4.2.2 Propyl propanoate / Propielpropanoaat [12.2.3] (1\ 4.2.3 (concentrated\ic acid / (gekonsentreerde\uur

4.3.1C C ON C CC H H H H H H H HH HH H H C (2\[12.2.3] 4.3.2 N-ethyl-N-methylpropanamide (1\[12] N-etiel-N-metielpropaanamied NSS12

Q5— Section header —

5.1.1Carboxylic acids / Karboksielsure [12.2.3] (1)1

5.1.2Alkohole [12.2.3] (1)1

5.1.3Aldehiede [12.2.3] (1)1

5.2.1Propanal [12.2.3] (1)1

5.2.2Pentan-1-ol [12.2.3] (1)1

5.3Criteria for investigative question / Kriteria vir ondersoekende vraag Mark

Q5— Section header —

5.5Boiling point of c arboxylic acids > alcohols > aldehydes. (2) arboksielsure > alkohole Kookpunte van k

Q5— Section header —

5.6Option 1/ Opsie 1 Relationship: Boiling point

Q6— Section header —

6.1Contains a double bond ( between two carbon atoms). / dubbelbinding (tussen twee koolstofatome). OR/ OF

6.3Addition / hydrohalogenation / hydrobromination [12.1.2] (1)1

6.4Propan-2-ol

6.5Hydrolysis / hidrolise [12.1.2] (1)1

6.6.1Water [12.2.3] (1)1

6.6.2PO / H SO / HC

6.6.3Addition / hydration [12.2.3] (1)1

6.7.1prop-1-ene / prop-1-een [12.2.3] (1)1

6.7.2Dehidrohalogenering OR /OF

6.2[12.1.2] (4\ 6.3 Addition / hydrohalogenation / hydrobromination Addisie / hidrohalogener ing / hidrobrominering (1\ 6.4 Propan-2-ol Accept/Aanvaar: 2-propanol [12.1.2] (3\ 6.5 Hydrolysis / hidrolise [12.1.2] (1\ 6.6.1 Water [12.2.3] (1\ 6.6.2 H3PO4 / H2SO4 / HC / HBr [12.2.3] (1\ 6.6.3 Addition / hydration Addisie / hidrasie / hidratering

Q7— Section header —

7.1Smaller than / kleiner as [12.1.2] (1)1

7.2Mark Refers to variables.

7.2Examples / Voorbeelde Reaction rate (or

7.3

7.4Magnesium is the limiting reagent. beperkende reagens. OR/ OF When Mg is used up, t he reaction will stop.

7.5.1[12.1.2] (1)1

7.5.2[12.1.2] (1)1

7.6Eksperiment The gradient / slope (of tangent to graph) is steeper. grafiek) is steiler. [12.1.2]

7.7The number of moles / amount / mass of Mg used in both experiments were the same Die aantal mol /

7.8Reaction rate increases wit OR/ OF Reaction rate (volume of hy drogen gas formed per unit time) decreases with decrease in concentration. met afname in konsentrasie.

7.9.1Remains the same / [12.1.2] (1)1

7.9.2Vermeerder [12.1.2] (1) [16]16

Q8— Section header —

8.1OR /OF The reactant and one of the products is a gas. / (1) [12.2.1]

8.2Option 1/ Opsie 1:

8.2

8.3Endotermies increase in temperature According to Le Chatelier's principle an will favour the endothermic reaction . / the reaction that uses energy.

8.4.1[12.2.3]

8.4.2Vermeerder (1) [12.2.3] Remains the same /

8.4.3(1) [12.2.3] Remains the same / (1)1

8.5[12.2.3] [17]17

8.3

8.4.2Increases / Remains the same / Bly dieselfde Remains the same / Bly dieselfde NSS 14

Q9— Section header —

9.12

9.2Mg(s) Mg (2) [12.2.3]

9.33

9.4

9.5.1(1) [12.2.2]

9.5.2Vermeerder (1) [12.2.2] Half-cell A to half-cell B /

9.6Concentration of positive ions / cations / Pb 2+

9.4

12.2.3] 9.5.1 Decreases / Verminder

9.5.2Increases / Half-cell A to half-cell B / Halfsel A na halfsel B onsentrasie van positiewe ione neem af in halfsel B. OR/OF increase in half- onsentrasie van positiewe ione neem toe in halfsel A. To prevent a build-up of posit

Q11— Section header —

11.1A liquid / solution that conducts electricity. (2) [12.2.1]

11.2Contains (positive / Na and negative / C ) ions that are free to move. Bevat (positiewe / Na

11.3Natriumchloried Chloride ions are oxidised / lose electrons ). OR/OF

11.42H O( (g) + 2OH (aq)

11.5

11.6The (selectively permeable) membrane separates the chloride ions from the cathode compartment. by allowing only positive ions / cations (Na

11.7Enige EEN: / dangerous / harmful to humans and the environment.

11.2Contains (positive / Na+ and negative / C-\ Bevat (positiewe / Na+ en negatiewe / C-\ione wat vry is om te C- ions/C- -ione Max./ . or/ Chloriedione (to form C Chloriedione word geoksideer / verloor elektrone (om C

11.42H2O(\ 2e

11.5Anode -C(aq\idised to / word geoksideer na (g\ 2e 2 11.6 The (selectively permeable\ separates the chloride ions from the cathode compartment. by allowing only positive ions / cations (Na+\ to move from the anode compartment to the cathode. / by preventing negative ions / anions to pass through. Die (selektief-deurlaatbare\embraan

11.7

Q12— Section header —

12.1[12.2.1]

12.2.1vergelyking II OR/ OF NiO

12.2.2NiO (3) [12.2.3]

12.2.3x 2(9,65 x 10

12.2.1Equation / (s\H (s\ 2OH Reduksie (vind by die katode plaa s\ (by katode\ (s\s\O(\ Ni(OH\(s\OH\(s\ Bal 12.2.2 NiO(3\[12.2.3] 2222 12.2.3 W = Vq = 1,4 = 2,7 x 10 W = Vq = 1,4

Mathematical Content

f(x)

Topics Identified

MechanicsChemical BondingOrganic ChemistryElectrochemistryThermodynamics

Mark Allocation

Total150 marks

Sections5 + 10 + 10 + 5 + 10 + 10 + 12 + 12 + 13 + 15 + 15 + 16 + 17 + 17 + 12 + 10 + 10 = 199 marks

Per-question sum538 marks

Paper information

SubjectPhysical Sciences

Year2009

SessionNovember

TypeMemo

PaperPaper 2

LanguageAfrikaans

Pages21

Downloads3

Examination context

Decade2000s

Years ago17y

SeasonSpring (SH)

Start dayThursday

Exam periodNovember 2009

Days since exam6,200

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.

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