Physical Sciences Grade 12 Mpumalanga November 2020 QP

Downloaded from hlayiso.com — == =e = a sore ere Be Coucation DEPARTMENT: EDUCATION MPUMALANGA PROVINCE NATIONAL SENIOR CERTIFICATE GRADE 12 PHYSICAL SCIENCES: CHEMISTRY P2 SEPTEMBER 2020 MARKS: 150 TIME: 3 hours This question paper consists of 15 pages and 4 data sheets. Copyright reserved Please turn over [SSS = SS

Downloaded from hlayiso.com Physical Sciences P2 2 MDE/September 2020 NCS INSTRUCTIONS AND INFORMATION 10. 41s 12. Write yourname in the appropriate space on the ANSWER BOOK. This question paper consists of TEN questions. Answer ALL the questions in the ANSWER BOOK. Start EACH question ona NEW page in the ANSWER BOOK. Number the answers correctly according to the numbering system usedin this question paper. Leave ONE line between two sub questions, for example between QUESTION 2.1 and QUESTION 2.2. You may usea non-programmable calculator. You may use appropriate mathematical instruments. You are advised to use the attached DATA SHEETS. Show ALL formulae and substitutions in ALL calculations. Round off your final numerical answers to a MINIMUM of TWO decimal places. Give brief motivations, discussions, etcetera where required. Write neatly and legibly. Copyright reserved Please turn over

Downloaded from hlayiso.com Physical Sciences P2 3 MDE/September 2020 NCS QUESTION 1 : MULTIPLE-CHOICE QUESTIONS Four options are provided as possible answers to the following questions. Each question has only ONE correct answer. Choose the answer and write only the letter (A — D) next to the question number (1.1 — 1.10) in the ANSWER BOOK , for example, 1.11 E. 14 Which ONE of the following organic compounds is an UNSATURATED HYDROCARBON? A C2He B C3He Cc CH3COOH D CHa (2) 1.2 An organic compound was mistakenly named as 4,5-diethylpentan-3-ol. Whatis the correct IUPAC name for this compound? A 1 ,2-diethylpentan-3-ol B 4-ethylheptan-5-ol Cc 4-ethylheptan-3-ol D 4-ethylhexan-5-ol (2) 1.3 The following reaction reaches equilibrium in a closed container CHa(g) + H20(g) = CO(g) + 3H2(g) AH = +206 kJ-mol! Which ONE of the following changes in temperature and pressure would lead to the greatest yield in the products? Pressure Temperature A Decreases Increases B Increases Decreases Cc Increases Increases D Decreases Decreases (2) Copyright reserved Please turn over

Downloaded from hlayiso.com Physical Sciences P2 4 MDE/September 2020 NCS 14 Consider the equation fora hypothetical reaction below. Aig) + Big) = ABQ) At 70°C, the heat of reaction (AH) for this reaction is -30 kJ-mol™. At a temperature of 90°C, the heat of reaction (AH), in kJ-mol", is: A -30 B -10 c +50 D -50 (2) 1.5 Consider the reaction represented by the following equation: Fe2Os(s) + 3CO(g) = 2Fe(s) + 3CO02(g) The Kc expression for this reaction is: A Ke = [Fe2Os][ COP [Fe}2[CO2] B kee | [Fe2Os][CO}* [FePIcoz) Cc Kes ——* [Fe2Os][CO} [COz}* D Ke = [cop Copyright reserved Please turn over

Downloaded from hlayiso.com Physical Sciences P2 5 MDE/September 2020 NCS 1.6 The reaction represented by the equation below reaches equilibrium in a closed container at time to 2S02(g) + O2(g) @ 2803(g) AH = -198kJ A changeis made to the equilibrium system at time t1, as shown in the graph below. - forward reaction g Mego ul ., Tee reverse reaction & § re 8 3 2 2 oie a lo hu time (t) Which ONE of the following describes the change to the equilibrium atti as indicated on the graph? A Increase the concentration of O2(g) B Increase the temperature. Cc Increase in the pressure by decreasing the volume. D Increase in the concentration of SO2(g) (2) 1.7 Which ONE of the following species CANNOT act as a Bransted-Lowy acid anda Bronsted-Lowry base? A H2PO4 B HzO Cc HSOa D CH3COOH (2) 1.8 The process used to deposit a metal onto a conductive object is called: A Electrorefining B Electroextraction Cc Electroplating D Neutralisation (2) Copyright reserved Please turn over

Downloaded from hlayiso.com Physical Sciences P2 6 MDE/September 2020 NCS 1.9 Which ONE of the following pairs will react spontaneously? A Mg?* (aq) + Zn (s) B Mg?* (aq) + Cu (s) Cc Cu?* (aq) + Ag (s) (2) D Ag* (aq) + Pb (s 440 Which ONE of the following is correct for the industrial preparation of nitric acid? PROCESS CATALYST A Haber Platinum B Ostwald Platinum Cc Contact Iron D Contact Vanadium pentoxide (2) [20] Copyright reserved Please turn over

Downloaded from hlayiso.com Physical Sciences P2 7 MDE/September 2020 NCS QUESTION 2 (Start on anew page.) Zl The structural formula of a functional group of a certain organic compound is given below. oO II —C—H 2.1.1 Define the term functional group. (2) Write down the 2.1.2 Name of this functional group (1) 2.1.3. General formula of the homologous series to which this functional group belongs. (1) 2.2 Consider the condensed structural formula of the organic compound below. CH3CH2COOCH2CH3 The above-mentioned organic compound has one functional isomer. 2.2.1 Define the term functional isomer. (2) 2.2.2 Draw the structural formula of the FUNCTIONAL ISOMER of this compound (2) The same compound can be prepared in a laboratory. 2.2.3 Write down the name for this type of reaction. (1) 2.2.4 Write down the IUPAC name of the alcohol needed to prepare this compound. (1) 2.2.5 Write down two reaction conditions for this reaction. (2) 2.2.6 Howcan one easily identify whether this compoundis being formed (1) 2.3 A sample of impure butane (C4H10) of mass 26 g burns in excess oxygen, 34 g of COz forms. The balanced equation for this reaction is given below: 2C4H10(g) + 1302 (g) + 8CO2(g) + 10H20(g) Calculate the percentage purity of the sample of butane. (5) [18] Copyright reserved Please turn over

Physical Sciences P2 8 NCS QUESTION 3 (Start on a new page.) Two separate experiments are conducted to determine the boiling points of MDE/September 2020 organic compounds from different homologous series, under the same conditions. The results obtained are shown in the table below. Experiment Organic compound Boiling point 9} A 2,2-dimeth ylpropane 9 I B 2-methylbutane 27 Cc Pentane 36 i P CH3CH2CH2CH20H 117,7 Q CH3sCH2COOH 141,2 3.1 Define the term homologous series. 82 Consider the boiling points of the compounds in Experiment I. 3.2.1. Write down the dependent variable for this investigation. (2) (1) 3.2.2 Fully explain why the boiling points increases from compound A to compound C. 3:3 Use the data in Experiment Il to answer the following questions. 3.3.1. Formulate an investigative question for this experiment. 3.3.2 Explain why compound Qhasa higher boiling pointthan compound P. Copyright reserved (3) (2) (4) [12] Please turn over

Downloaded from hlayiso.com Physical Sciences P2 9 MDE/September 2020 NCS QUESTION 4 (Start on a new page.) Consider the following series of organic reactions and answer the questions that follow. COMPOUND P 1 / Brand Y UV light CHsCH2CHBrCHs TT Alkene Q (major product) Ss ll oF IV CaH100 R 4.1 Write down the TYPE of reaction represented by: 411 I (1) 41.2 I (1) 413 Vv (1) 4.2 During reaction II, compound Q reacts with a base to form compound S. Write down: 4.2.1 Two reaction conditions for this reaction. (2) 4.2.2. The IUPAC name of compound Q. (2) 4.2.3. The STRUCTURAL FORMULA of the major product S formed. (2) 4.3. Consider reaction IV. Write down 4.3.1 The TYPE of addition reaction that take place. (1) 4.3.2 The NAME or FORMULA of the catalyst thatis used. (1) 4.4 Write down the FORMULA of the INORGANIC productthat is formed in reaction II. (1) [12] Copyright reserved Please turn over

Downloaded from hlayiso.com Physical Sciences P2 10 MDE/September 2020 NCS QUESTION 5 (Start on a new page.) A series of experiments are conducted to investigate the effect of changing temperature, concentration and surface area on the rate of reaction between hydrochloric acid and calcium carbonate. The balanced chemical equation forthe reaction taking place is: CaCOx(s) + 2HC&aq) — CaCfe(aq) + H2O(t) + CO2(g) Each experiment is carried out in a conical flask, which is placed on top of a sensitive digital balance as shown in the diagram below. Cotton wool CaCOx(s) + HCf(aq) —_4— _ Scale The reading on the scale decreases over a period of time. 5.1. Whatis the reason for the decrease in the mass of the flask? (1) 5.2 Define the term rate of reaction. (2) Four different experiments are carried out using the conditions indicated in the table below. Experiment | Temperature | Concentration State of CaCQz3 (°C) of HCe (mol-dm*) 4 20 0,1 large pieces 2 15 0,1 large pieces 3 20 0,1 powder 4 20 0,2 large pieces The results of EXPERIMENT 1 were used to sketch the graph shown below: Copyright reserved Please turn over

Downloaded from hlayiso.com Physical Sciences P2 11 MDE/September 2020 NCS 2 45 To Cc oO a4 O > 2 ge i c = 8 t I 30 time (s) 5.3 Using the graph, calculate the rate of reaction for experiment 1. (3) 5.4 Redraw the graph in your answerbook. On the same set of axes draw 5.5 5.6 sketch graphs to represent the results of EXPERIMENT 2 and3. CLEARLY LABEL EACH GRAPH USING 2 AND 3. (4) Use the collition theory to explain the difference in rate of reactions between EXPERIMENTS 1 and 4. (4) The Maxwelt-Boltzrran curve below shows the distribution of molecular energies of reacting molecules in the chemical reaction of experiment 1. 4 Ea (activation energy) Number of molecules Molecular (kinetic) energy (kJ) Redraw the graph in your answerbook and draw a new curve that represents experiment 2 (2) ; [16] Copyright reserved Please turn over

Downloaded from hlayiso.com Physical Sciences P2 12 MDE/September 2020 NCS QUESTION 6 (Start on a new page.) 6.1 In an experiment, ammonia gas and oxygen gas are introduced intoa container at a certain temperature. The container is sealed and the reaction taking place reaches equilibrium; according to the following balanced chemical equation. 4NHa3(g) + 502(g) = 4NO(g) + 6GH20(g) The graph below shows the change in consentration of NH3(g), O2(g), NOV) and H2O0(g) with time. ¢ Me, | ayy | cueneeettennenteneres NH3. seeeeeneee 6 fet! NH3_ jee re} Sees Li — Q2 — O2 aaneee 6 f \ Hi + — 2 Y ‘ 9 5 Re 8 ee MW H20 Sgt No = | ; roy “| . ‘ca 2 a a aa < 8 | no | time(s) t te ied ta 6.1.1 If numerical values were given for concentration on the y-axis, would it be possible to calculate the equilibrium constant (Kc) for this reaction at time t: ? Explain the answer. (2) 6.1.2 Identify the change (stress) which was introduced to the reaction at time te and explain the subsequent changes in concentrations of all substances immediately after time tz. (4) 6.1.3. At time ts the temperature of the container is decreased. Is the forward reaction EXOTHERMIC or ENDOTHERMIC? (2) 6.2 Phosphorus pentachloride decomposes into phosphorous trichloride and chlorine gas. When gaseous phosphorous pentachloride is sealed in a closed container the following equilibriumis established. PCts(g) = PCfa(g) + Cfa(g) 6.2.1. An unknown mass of phosphorous pentachloride is sealed in an empty 2000 cm container. The system is allowed to reach equilibrium at 250°C. When the equilibrium mixture was analysed the concentrations of PCfs and Cf2 were 0,7 mol-dm? and 0,5 mol-dm’ respectively. Calculate the Kc value at 250°C. (5) 6.2.2 Calculate the mass of phosphorous pentchloride that was originally placed in the container. (4) [17] Copyright reserved Please turn over

Downloaded from hlayiso.com Physical Sciences P2 13 MDE/September 2020 NCS QUESTION 7 (Start on a new page) 7A 7.2 7.3 Copyright reserved Barium hydroxide (Ba(OH)z), is defined as.a strong base. 7.1.1 Define a strong base. 7.1.2 Calculate the pH of a solution of a barium hydroxide solution, Ba(OH)z (aq), with a concentration of 0,1 mol-div3, A standard solution of oxalic acid, (COOH)z (aq), with concentration 0,2 mol-dmvis prepared by dissolving a certain amount of oxalic acid crystals, (COOH)2-2H20, in water. The flask is then filled with distilled water up to the 250 cm? mark. 7.2.1 Define the term standard solution. 7.2.2 Calculate the mass of oxalic acid needed to prepare the standard solution. During atitration, 25 cm of the standard oxalic acid solution, (COCH)2 (aq), prepared in QUESTION 7.2, is neutralised by a sodium hydroxide solution, NaOH(aq), from a burette. The balanced equation for the reaction is given below. (COOH)a(aq) + 2NaOH (aq) — (COO)2Naa(aq) + 2H20(2) The diagrams below show the burette readings before the titration commenced and at the endpoint respectively. Before the titration At the endpoint cm? em? 2 38 lx. Level of ~—_4+——._ Level of 3 NaOH(aq) 39 NaOH(aq) | 7.3.1 Define the term endpoint. 7.3.2 What will the pH at the endpoint be? Choose from: GREATER THAN 7, EQUAL TO 7 or LESS THAN 7. 7.3.3 Netermine the volume of NaOH(aq) that was added to the (COOH)a(aq) to reach the endpoint of the titration from the diagrams above.. 73.4 Calculate the concentration of the sodium hydroxide solution, NaOH (aq). (2) (5) (2) (4) (2) (1) (1) (5) [22] Please turn over

= Downloaded from hlayiso.com Physical Sciences P2 14 MDE/September 2020 NCS QUESTION 8 (Start on a new page) Consider the following galvanic cell at 25 °C. Cu(s) | Cu2* (4 mol-dm) || C&2 (1 atm) | CL (1 mol-dm) 8.1. Write down the balanced chemical equation for the net cell reaction that takes place. (3) 8.2 Calculate the initial cell potential at 25 °C. (4) 8.3 Write down the FORMULA of the cathode. (1) 8.4 Fully explain how the salt bridge functions to maintain electrical neutrality by referring to the movement of the ions. (2) [10] . QUESTION 9 (Start on a new page) Aluminium metal is extracted from pure aluminium oxide (Af2Os) in an electrolytic cell represented in the diagram below. Anode Cathode | Mixture of alumina > Molten aluminium 9.1. Whatis the NAME of the ore which contains aluminium oxide (Af2O3)? (1) 9.2 Define the term electrolytic cell. (2) 9.3. Write down the FORMULA of the ions present in the molten alumina (Af2Os). (2) 9.4 Whatis the advantage of adding cryolite to the alumina? (1) 9.5 Write down the half reaction that takes place at the cathode. (2) 9.6 Explain why the carbon anode should be replaced regularly. Make use of a chemical equation to support the answer. (3) (11] Copyright reserved Please turn over

Downloaded from hlayiso.com Physical Sciences P2 15 MDE/September 2020 NCS QUESTION 10 (Start on a new page) The fertiliser industry can be summarised as follows: SubstanceA Gas B Oxygen Reaction 1 v Gas C N2 H2 v L_ Processe _| Compound D (H2S207) NH3 H2S04 Fertiliser Z en 10.1 Write down the NAME or FORMULA for Substance A. (1) 10.2 Write down the NAME of the catalyst used in Reaction 1. (1) 10.3 Gas Cis diluted with a small amount of sulphuric acid to form Compound D. 10.3.1 Write down the NAME for compound D. (1) 10.2.2 Whyis gas C notadded directly to water to form sulphuric acid? (2) 10.4 Write down a balanced equation for the formation of fertiliser Z. (3) 10.5 A farmer boughta 40 kg bag of fertiliser with a ratio of 3:2:1(22) for his crops. Calculate the mass of the primary nutrient required for healthy strong roots. (3) [11] TOTAL: 150 Copyright reserved Please turn over

a" Downloaded from hlayiso.com Physical Sciences P2 16 MDE/September 2020 NCS 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 NAME/NAAM SYMBOL/S/IMBOOL — | VALUE/WAARDE Motére gasvolumeby STD vn 22:4 demo Avogadro's constant Na 6,023 x 1023 molt TABLE 2: FORMULAE/TABEL 2: FORMULES n= mM na M Na m Vv n = — 1=— c= ORIOF © = 7 Vv, n, _ Cy Va pH = -log[H30*] ny cy M Kw= [H30*]]OH"] = 1 x 10-4 at’ by 298 K Eon = Eaarees ~ Fa iote / ES = Eras ~ = OR/OF Ee = E luclin ~ Ee éaiin / a i Eeaaee ~ Shiddiade OR/OF Ean = Essidisneaom, ~ Ereducinosaent 1 Esa = Ebssdeamidet — Erdusacrnide Copyright reserved Please turn over

Physical Sciences P2 Increasing oxidising ability/Toenemence oksiderende vermoé Copyright reserved TABLE 4A: STANDARD REDUCTION POTENTIALS TABEL 4A: STANDAARD-REDUKSIEPOTENSIALE 17 NCS Half-reactions/Halfreaksies po Wd) F2(g) + 2e- 2F- +2,87 Co + e- Co* +1,81 H202+ 2H*+2e = 2H20 +1,77 “ = Mn*+4H2O +1,51 MnO 4 + RH*+ Se Chg) +#2e- = 2Ct- + 1,36 2- = 2Cr*+7H20 41,33 Cro + 14H* + 6a- dg) +4H" +4e- 2 2H20 +1,23 MnQ2+4H*+ 2e- = Mn +2H20 + 1,23 Pe +2e- = Pt + 1,20 Bro(t)+2e = 2Br +1,07 NO} +4H*43e~ = NO(g)+2H20 | +0,96 Hg**+2e- = Hg(e) + 0,85 Agite = Ag + 0,80 NO} + 2HtFe- NOdGY# HeO | ¥°0:80 Fe#+e- = Fe* +0,77 Og) +2H*+2e- = H202 + 0,68 k+2e = 2b +0,54 Cutt+e- = Cu +0,52 SQ2+4H*+4e- = S+2H20 +0,45 2H20+ O2+4e-° = 40H- + 0,40 Cu*+2e = Cu + 0,34 802" gaHte2—- = SOAS) *2H0) +0407 Cu*+e- = Cut +0,16 Sn#+2e = Sn* +015 S+2H*+2e = Ho2S(g) +0,14 2Ht+2e = Ha(g) 0,00 Fe +3e = Fe — 0,06 Pb?*+2e- = Pb -0,13 Sn*+2e = Sn -0,14 Nit +2e Ni —0,27 Co* + 2e- Co — 0,28 Cd*+2e = Cd — 0,40 Cette = Cre -0,41 Fe*+2e = Fe — 0,44 Crt+3e = Cr ~0,74 Zn*+2e = Zn —0,76 2H20 + 2e- = Hag) +2OH- — 0,83 Crt+2e = Cr 0,91 Mn*+2e = Mn -1,18 AGS +3e- = Al - 1,66 Mg?*+2e- = Mg — 2,36 Natte- = Na -2,71 Ca*+2e =. Ca — 2,87 Srt+2e- = Sr —2,89 Ba*+2e = Ba — 2,90 Cs*+e@e = Cs - 2,92 Ktte = K — 2,93 litte = Li — 3,05 Downloaded from hlayiso.com MDE/September 2020 Increasing reducing ability/Toenemende reduserende vermoé Please turn over

Physical Sciences P2 Increasing oxidising ability/Toenemende oksiderende vermoé Copyright reserved NCS TABLE 4B: STANDARD REDUCTION POTENTIALS TABEL 4B: STANDAARD-REDUKSIEPOTENSIALE Downloaded from hlayiso.com 18 Half-reactions/Halfreaksies 59 (v) litte = Li —3,05 Kite = K — 2,93 Cstte = Cs — 2,92 Ba*+2e = Ba — 2,90 Sr++ 2e = Sr — 2,89 Ca*+2e = Ca — 2,87 Nat*te = Na =271 Mg*+2e = Mg — 2,36 AGS'+3e° = Al — 1,66 Mn? +2e- = Mn - 1,18 Crt+2e = Cr -0,91 2H20+2e- = Hag)+20H” | — 0,83 Zn**+2e = Zn -0,76 Cr+ +3e = Cr - 0,74 Fe*+2e = Fe -0,44 Crt+e- = Cre -0,41 Cd%*+2e = Cd - 0,40 Co*+2e = Co —0,28 Ni*+2e- = Ni - 0,27 Sn%+2e- = Sn 0,14 Pb*+2e = Pb -0,13 Fes + 3e7 Fe - 0,06 2H*+2e- = Hag) 0,00 S+2H*+2e = HeS(g) +0,14 Sn4*+2e- = Sn +0,15 Cu*+e- = Cut +0,16 so a eshte ze = SO2(g) + 2H20 | + 0,17 Cu*+2e = Cu + 0,34 2H20+O2+4e- = 40H™ + 0,40 SOQ2+4H*+4e = S+2H20 +0,45 Cu'+e- = Cu +0,52 It+2e = 2b + 0,54 Og) +2H*+2e = H202 + 0,68 Fe +e = Fe* +0,77 NO3+2H*te 7 NOAg) + H20 | +0,80 Agtte = Ag +0,80 Hg +2e- = Hg(t) +0,85 NO} +4Htege- = NO(g)+2H20 | +0,96 Bro(t)+2e° = 2Br +1,07 Pe+2e = Pt +1,20 MnO2+4H*+ 2e7 = Mn*+2H20 | +1,23 Og) +4H*+4e- = 2H20 +1,23 2- = 2Cr*+7H20 | +1,33 CrO7z +14H*+ be Ctig)+2e- = 2Ch + 1,36 - = Mn*+4H20 +1,51 MnO, + 8H*+5e- H202+ 2H*+#2e@ = 2H20 +1,77 Co*# +e = Cor +1,81 Fg) +2e- = 2F +287 MDE/September 2020 Increasing reducing ability/Toenemende reduserende vermoé Please turn over

Downloaded from hlayiso.com 19 MDE/September 2020 NCS Physical Sciences P2 az Zez 47 | ON | PA} 4) $3) d9 ] yg | wo} wy!) ng | dN} on | eg UL col | zol | bob | oor | o& | a6 | 46 | o¢ | ce | we | ce | ze | ue | a6 GEL | c£b | 691 | zou | sav | cor] ect | uct | zon | ac teh | bet | oFL M7) 9A | WL} | On | Aa} at | pp | ng | ws jwa] pn | id | 29 = we] of | @ | @ | 6 | 99 | so | v9 | co | zo | 9 | os | 6s | es ay jey gla4 2 6s |e [ue wl, na O02 [202 [voz [baz [2st [seb [ze [ost joss jeer |tar {az | Seb [zee [ecb WN |WajOds iG eldde LW s/6H iny jig | 41 iso ley | mM lee HaP1 [8g gisas 98 iss |e | |e jis jos [es [ez [we for [oe [ee fe lu ja fos [es veh [ib [ect lect |ébb [Str let | eor |oor [eer | Lor o6 [7 | | | es | 98 aX | | aL Sas cyus <) ul 2)po a] By Zlpg ius BAL SOWSIGN [AZZ B4g S)du s ws [eS |@o | 15 |0s ler |er | [or [oe lee ler [ee [iw lor [ec [ee | ue re [os | ez | Ge fe | O4 | 59 JS€9 ) 6s [es [9s jes [es jis [ar se lor | 6c 4M 4@ 8) 8S 3) 8¥ 2/99 2/89 3/4Z 2d Z| IN S/09 S)a4 Suwa) io = a) lL g)9S 2/82 2) NM = gs [sc |v |e |e tlre loc [ez [se [az joe [oz [oe [oe [a liz lo Ja or [sce [ze [te [az luz te | ee Ww j/pes td Sis give ess2uiuoole amanejas aplapeuag 6A S/N = eh [2b [op [op le ler Ssel SNUOTe ae awunxaddy ZL bb oz | 6) | 9s |e feb | bb —— é Zz a BOSIN Slo Sq ; saqeins in a = ° "a 4 aoe fooquiis—, ie vaumneBouanyary ha “ /, . ? joquds 2 ©) Aagebauonsayy 5 3H 7 H& 2 fercBuroony TALGTISIAIN —t_l (1) GA fA W tf i Joquinu oiopy ti] i 8h db SL Sb tL cL ray Lb Ob Ly & £ 9 S ¥ € z SLNZIN314 JO JTAVL NIOM3d FHL :s FaVL SLNSW319 40 JTaVi NGOM3d FHL ITGVL _ Copyright reserved