ZXTape! 0Created with Ramsoft MakeTZXCHEMPROB 1446 0"":0:0:0,0;"":"" /LOGO @m6lmm6mmm6lmm6mmm mammammm mammammm6lmm6mmm6lmm6mm` ma lal` ma lalmm`6mmmmmm`6mmmm` ma lal` ma lalm amlaml` ma lalmmammlm amlamlm `mlalmmamml` alalm `mlal` ma lal` alalm amlaml` ma lalm6l`mmlm amlaml ` lalm6l`mml` alaml ` lalm mamlal` alamlm `mlamlm mamlalm6l`lmlm `mlaml` ma lalm6l`lml<@ @<B<B@8h88Dx8 8h8@BBDbB@xDT0@ DD D<DT@@BBBR@@DxT8 DD D"xT8@B~BJNBD@T <x D"@T@BBDFBB<8@8888888888888888888888888888888888888888888888888888888888888888:PROG1 FPD(F sc=0 c=0 5:5:1:  /5,11 ;0;6;"SCISOFT" *10 ,5;"EDUCATIONAL PROGRAMS" 12 ,14;"FOR" #&14,7;"SCIENCE STUDENTS" ( 9000(# P U35,1;"CHEMISTRY at examination level" Z28,0;"for students 13-17 years old." d112 ,10 ;1;1;"PROBLEMS" x 250  ="You will be faced with one of four types of problems." >,,,,,,1;"1";0;" GENERAL GAS EQUATION PROBLEM." I,,,,1;"2";0;" MOLARITY CALCULATION FROM A TITRATION." H,,,,1;"3";0;" THE MASS OF X MOLES OF A GIVEN COMPOUND." :,,,,1;"4";0;" TO FIND A MYSTERY COMPOUND." 421,5;6;"PRESS ENTER TO START." G$ G$""255   U=(*4)+1  C=C+1 U*1000   %ANSAN+.05|L850R +S=124 ,710 ,0;1;7;"YOU ARE CORRECT" .&10 ,8;4;"CORRECT" /S 0B=0SC=SC+1 1 100d 4-2;0;"NOW CHECK THE EQUATION." 9 : 830> ; >:Z=1V=1"HCl + ";F$(1);" NaCl + HO" C;Z=2V=1"HCl + ";F$(2);" NHCl + HO" D@Z=1V=2"HSO + 2";F$(1);" NaSO + 2HO" ECZ=2V=2"HSO + 2";F$(2);" (NH)SO + 2HO" H 100d Q WS=124 X510 ,0;1;2;"YOU ARE WRONG" Y$10 ,8;6;"WRONG" [s \ 100d ] B=1 c",,"THIS IS THE CORRECT FORMULA." d e 830> f g?17,0;6;"Would you like the right answer." h/,,4;" Key Y for yes or N for no. " j""875k k=""875k l="n"Ŧ="N"899 pan=anan=an+.00 q r1"THE ANSWER WAS ";((AN)+"0000")(4);" M" u921,2;4;"Press any key to continue." z 4E4@    B=0 U=(*250)+601Y V=(*400)+101e $W=(*100d) %W=61=1060$ )X=(*250)+601Y .Y=(*400)+101e 3Z=(*100d) 4Z=61=1060$ 8R=(*6)+1 9R=1U=61= :R=2V=61= ;R=3W=61= <R=4X=61= =R=5Y=61= >R=6Z=61= L(1500+(R*10 )) 'Q=X*Y*(W+273)/((Z+273)*V)  1600@ 'Q=X*Y*(W+273)/((Z+273)*U)  1600@ 'Q=((Z+273)*U*V/(X*Y))-273  1600@ 'Q=U*V*(Z+273)/((W+273)*Y)  1600@ 'Q=U*V*(Z+273)/((W+273)*X)  1600@ 'Q=((W+273)*X*Y/(U*V))-273 @ AQE=(Q+.5) BQ=Q J KS=010 O0,S;7;" " QS,0;7;"" RS,10 ;7;"" S10 ,S;7;" " TS ^5,1;"* GAS *" c2,3;"*" h8,8;"*" m9 ,2;"*" %0,12 ;"THE GENERAL GAS" 2,16;"EQUATION" 4,12 ;"P=" 6,12 ;"V=" 8,12 ;"T=" 10 ,12 ;"P=" 12 ,12 ;"V=" 14,12 ;"T=" !14,0;"For a fixed" !16,0;"mass of gas" )U=61=4,17;"XX mmHg" U=61=1732 4,17;U;" mmHg" (V=61=6,17;"XX cm" V=61=1744 6,17;V;" cm" &W=61=8,17;"XXC" W=61=1745 8,17;W;"C" *X=61=10 ,17;"XX mmHg" X=61=1750 10 ,17;X;" mmHg" )y=61=12 ,17;"XX cm" Y=61=1755 12 ,17;y;" cm" 'Z=61=14,17;"XXC" Z=61=1760 14,17;Z;"C" _20,0;6;" Take the readings shown above and then press any key. " v""1910v w=""1911w x {33,0;"USING THE GENERAL GAS EQUATION" }H,,"WORK OUT THE MISSING VALUE TO",,," THE NEAREST WHOLE NUMBER. " ~b15,0;6;" Key in your answer then press",,," ENTER. " g$ g$=""1925 g$>5791925  )g$Q+11950 b=0sc=sc+1 4;"YOU ARE CORRECT." _20,0;4;" Would you like more problems? Key Y for yes or N for no. " ""1939 %"n"Ʀ"N"Ʀ"y"Ʀ"Y"1939 ="Y"Ŧ="y"480  7000X 82;0;" YOU ARE WRONG. ",, F,,"Did you remember to use KELVIN and not degrees Celsius? "  b=1 /,,6;"Would you like the right answer." >8,0;4;" Key Y for yes or N for no. " ""1958 =""1959 %"n"Ʀ"N"Ʀ"y"Ʀ"Y"1958 8="Y"Ŧ="y",,,,"THE ANSWER IS ";QE;" +CORRECT UNITS" Q,,,,4;"Would you like the same problem again? " ""1963 =""1964 %"n"Ʀ"N"Ʀ"y"Ʀ"Y"1963 ="Y"Ŧ="y"1610J _20,0;4;" Would you like more problems? Key Y for yes or N for no. " ""1976 =""1977 ="Y"Ŧ="y"480  7000X  480  ӇG$=" "  B=0 E$(2,17) F$(2,5) E$(2)="Sulphuric acid" !E$(1)="Hydrochloric acid" f$(1)="NaOH" f$(2)="NHOH"  410 ,5;4;"ACID/ALKALI TITRATION"  200 Z=(*2)+1 4X=((*100d)+5) >Y=(*100d) CX>Y21004 DX>(Y-15)21004 EV=(*2)+1 FW=(*4)+1 G H0,1;0;G$ I-19,7;0;1;"" J2,0;"ALKALI" L19,0;"ACID " R1(X/10 ),10 ;X;"cm","INITIAL VOLUME" WS=(X/10 )10 \%(S),7;1;7;" " a 10 fS g-S,7;7;0;"":10 h5S+1,7;7;0;"":10 i+S+2,7;7;0;"" pS=(X/10 )̺(Y/10 ) u16,8;" " v17,8;" " zS,7;" "  100d b=1sc=sc+1 -18,7;7;0;" " 16,8;"" 17,8;""  10 s !16,7;5;" " !17,7;5;" " -19,7;0;3;"" -18,7;3;0;" " 0(Y/10 ),10 ;y;"cm FINAL VOLUME" _20,0;6;"Take the two readings and then press ENTER. " z$ z$""2260  `8w*10 +10 ;"cm of ";(x*.05|L);"M ";e$(v) j#,," were placed in the beaker," o#,," PHENOLPHTHALEIN was added." y+,,,," X molar ";f$(z);" was titrated in." {%10 ,12 ;4;"FIRST" |%,,"work out the balanced equation." }$15,12 ;6;"THEN" ~417,0;" key in the unknown molarity." \" to ";1;"2";0;" decimal places, then press ";1;"ENTER." b$ b$=""2450 ans=b$ 2an=v*((w*10 +10 )*(x*.05|L)/(y-x)) 800  +0,9 ;1;"ATOMIC MASSES"  Q,,,,4;"Would you like the same problem again? " /,,4;" Key Y for yes or N for no. " =""2515 ="y"Ŧ="Y"2119G  g$="" _20,0;4;" Would you like more problems? Key Y for yes or N for no. " ""2533 %"n"Ʀ"N"Ʀ"y"Ʀ"Y"2534 =""2535 ="y"Ŧ="Y"480 7000X  B=0 a$(12 ,25) !a$(1)="Iron(II) sulphate" "a$(2)="Iron(III) sulphate" a$(3)="Zinc hydroxide" !a$(4)="Ammonium sulphate" a$(5)="Ammonium nitrate" )a$(6)="Calcium hydrogencarbonate" "a$(7)="Copper(II) nitrate" "a$(8)="Aluminium sulphate" %a$(9 )="Sodium sulphate 10HO" %a$(10 )="Copper sulphate 5HO" a$(11 )="Lead nitrate" a$(12 )="Iron(III) oxide" u=(*12 )+1 !v=(*5)+1 & A(12 ) +a(1)=152 0a(2)=400 5a(3)=99c :a(4)=132 ?a(5)=80P Da(6)=162 Ia(7)=188 Na(8)=342V Sa(9 )=322B Xa(10 )=250 ]a(11 )=331K ba(12 )=160  ""WORK OUT THE MASS IN GRAMS FOR" !,," THE FOLLOWING SUBSTANCE." 1,,,,4;" Key in 0 for a list of masses " /4,,8;"and valencies. " 012 ,6;(0.5*v);" MOLE(S) OF:" 15,0;a$(u) ans ans=03500 an=(a(u)*v*.5) an>ans+.53400H an8,0;4;" Key Y for yes or N for no. " a""3425a b=""3426b d%"n"Ʀ"N"Ʀ"y"Ʀ"Y"3425a f0="Y"Ŧ="y",,,,"THE ANSWER IS ";an;" GRAMS." uQ,,,,4;"Would you like the same problem again? " z""3450z =""3455 %"n"Ʀ"N"Ʀ"y"Ʀ"Y"3450z ="Y"Ŧ="y"3200 _20,0;4;" Would you like more problems? Key Y for yes or N for no. " ""3475 =""3480 ="Y"Ŧ="y"480 7000X :val=0 .0,12 :7;255,0 /0,140:7;255,0 /0,164:7;255,0 70,3;6;"VALENCIES & ATOMIC MASSES" 32,0;"ELEMENT/ VALENCY AT.MASS" 1;"RADICAL" 05,0;"ALUMINIUM 3 27" !,,"CALCIUM 2 40" !,,"CARBON 4 12" !,,"COPPER 1 OR 2 64" ,,"HYDROGEN 1 1" !,,"IRON 2 OR 3 56" ",,"LEAD 2 207" !,,"NITROGEN 3 OR 5 14" 921,3;4;"Press any key to continue."  4E4@ " #30,0;"ELEMENT/ VALENCY AT.MASS" $ "RADICAL" )03,0;"OXYGEN 2 16" .!,,"SULPHUR - 32" 3!,,"ZINC 2 65" 5!,,"SODIUM 1 23" 8,,"HCO 1" =,,"OH 1" B,,"SO 2" G,,"NO 1" L,,"NH 1" Q.0,12 :7;255,0 R/0,158:7;255,0 T921,3;4;"Press any key to continue." ~ 4E4@  3200  a$(6,22)  4600 a$(1)="SULPHUR DIOXIDE" !a$(2)="Molecular mass 64" #a$(3)="Colourless, choking" a$(4)="Soluble" a$(5)="Reducing agent"  !a$(6)="Damp litmus red"   6a$(1)="OXYGEN" 7!a$(2)="Molecular mass 32" 8 a$(3)="Blue when liquid" 9 a$(4)="Slightly soluble" :&a$(5)="Glowing splint relit" ;%a$(6)="Damp litmus neutral" = ha$(1)="CHLORINE" i!a$(2)="Molecular mass 71" ja$(3)="Green, choking" ka$(4)="Soluble in HO" la$(5)="Oxidising agent" m%a$(6)="Litmus blueredwhite" o a$(1)="AMMONIA" !a$(2)="Molecular mass 17" a$(3)="Pungent odour" a$(4)="Highly soluble" $a$(5)="White fumes with HCl" "a$(6)="Damp litmus blue"  a$(1)="CARBON DIOXIDE" !a$(2)="Molecular mass 44" a$(3)="Musty smell" %a$(4)="V sol. under pressure" a$(5)="Denser than air" #a$(6)="Just acid in litmus"  a$(1)="CARBON MONOXIDE" !a$(2)="Molecular mass 28" $a$(3)="Poisonous, odourless"  a$(4)="Insoluble in HO" a$(5)="Reducing agent" !a$(6)="Neutral to litmus"  0!a$(1)="HYDROGEN SULPHIDE" 1!a$(2)="Molecular mass 34" 2a$(3)="Bad egg odour" 3$a$(4)="Slightly sol. in HO" 4#a$(5)="Just acid to litmus" 5a$(6)="Reducing agent" 7 ba$(1)="HYDROGEN" c#a$(2)="Molecular mass 2!!!" d%a$(3)="Colourless, odourless" e a$(4)="Insoluble in HO" fa$(5)="Reducing agent" g!a$(6)="Neutral to litmus" i !a$(1)="HYDROGEN CHLORIDE" #a$(2)="Molecular mass 36.5" #a$(3)="Colourless, choking"  a$(4)="Very sol. in HO" $a$(5)="White fumes with NH" !a$(6)="Blue litmus red"  x=(*9 )+1 (x*502)+4050 *M4;" I CONTAIN SIX PIECES OF INFORMATION CONCERNING A GAS. " 4$,,"THE FIRST FACT IS GIVEN BELOW." >17,0;6;" Enter the name of the gas as soon as you think you know what it is, otherwise press ENTER for the next clue. " ?-4;"PLEASE USE CAPITAL LETTERS ONLY." @3,0;"" C v=0 D a=0 Hy=16 Mz=(*4)+2 Rz=v4685M Sz=a4685M Ta=v Wv=z \!,,1;y;0;" ";a$(z) a23658j\,8 fb$ k b$=""y ly=74724t p(b$=a$(1,1̱b$)4800 t u#2;0;"YOU ARE WRONG" z ,,,,,,"THE CORRECT ANSWER IS:" L,,A$(1):,,0;2;1;"not";5;" ";0;b$  4820  )4;"YOU ARE ";1;"CORRECT." @,,"If you took 3 or less goes then you have gained a point." y<4sc=sc+1  a$(1,1) _20,0;4;" Would you like more problems? Key Y for yes or N for no. " ""4830 =""4831 %"n"Ʀ"N"Ʀ"y"Ʀ"Y"4830 ="y"Ŧ="Y"480 $ 7000X X b>0:0::5,9 ;7;"BYE FOR NOW." gB8,4;0;7;"YOU SCORED ";SC;" OUT OF ";C h iV=(SC/C)*100d l2V>80P;7;" Which is excellent." q8V45-;7;"So you are heading for a fail." v?v<80PV>45-;7;" Which is satisfactory." 0,,,,0;"We hope you found these useful." -21,0;6;" 1983 SCISOFT"  7050 #("M",16,16,124|,16,16,0,0,0,"N",216,216,216,216,216,216,216,216,"B",0,0,0,0,32 ,96`,32 ,32 ,"A",60<,36$,36$,60<,0,0,0,0,"S",0,0,124|,0,0,0,0,0,"D",34",82R,23,34",114r,0,0,0,"F",32 ,80P,23,32 ,112p,0,0,0,"G",112p,16,480,16,112p,0,0,0,"H",112p,16,557,16,112p,0,0,0,"J",0,0,0,32 ,80P,16,32 ,112p,"K",0,0,0,112p,16,480,16,112p,"L",0,0,0,16,480,80P,120x,16,"C",0,8,4,2,255,2,4,8 #2X=113 #<h$ #FA=07 #P B:h$+A,B #ZA #dX #n c 2#F#buvpHzw8rqvv Knja'Hydrochloric acidSulphuric acid NaOH NHOHZGBOXYGEN1 Iron(II) sulphate Iron(III) sulphate Zinc hydroxide Ammonium sulphate Ammonium nitrate Calcium hydrogencarbonateCopper(II) nitrate Aluminium sulphate Sodium sulphate 10HO Copper sulphate 5HO Lead nitrate Iron(III) oxide ? cPVBKHH CHEMPROB 2/-E:/2,15  sc=0 count=0 5:5:1:  /5,11 ;0;6;"SCISOFT" *10 ,5;"EDUCATIONAL PROGRAMS" 12 ,14;"FOR" #&14,7;"SCIENCE STUDENTS" ( 9000(# U4:5,1;"Chemistry for students 13-17." d312 ,8;1;1;"PROBLEMS 2." x 300,  >"You will be faced with one of three types of problems." 5,,,,,,1;"1";0;" IDENTIFYING A METAL."  J,,,,,,1;"2";0;" CALCULATING THE MOLARITY OF A SOLUTION." m,,,,,,1;"3";0;" CALCULATING THE MASS DEPOSITED AFTER ELECTROLYSIS OF AN ELECTROLYTE." 421,5;6;"PRESS ENTER TO START." !G$ &G$""545! COUNT=COUNT+1  P=(*3)+1 P*1000  A$(10 ,9 ) B$(6,30) A$(1)="SODIUM" A$(2)="CALCIUM" A$(3)="COPPER" A$(4)="IRON" A$(5)="ALUMINIUM" A$(6)="MERCURY" A$(7)="LEAD" A$(8)="ZINC"  A$(9 )="MAGNESIUM"  A$(10 )="SILVER" ?21,0;4;" PLEASE USE CAPITAL LETTERS. " LS0,0;"You will be given about 6 pieces of information about a metal." Ve,,"Enter the name of the metal when you think you know what it is, otherwise press ENTER for clue." `z=(*9 )+1 a s=0 b t=0 c u=0 e1490+(z*10 ) fy=16 jx=(*6)+1 kx=t1130j lx=s1130j mx=u1130j nu=t ot=s ps=x ~!,,1;Y;0;" ";b$(x) 23658j\,8 g$  g$=""y y=71190 g$=a$(z,̱g$)1800  62;0;" S0RRY BUT YOU ARE WRONG. " ,,,,,,"The metal was ";a$(z) _20,0;4;" Would you like more problems? Key Y for yes or N for no. " ""1255 %"n"Ʀ"N"Ʀ"y"Ʀ"Y"1260 ="y"Ŧ="Y"680  7000X b$(1)="Soft light grey" b$(2)="M.Pt 98C" "b$(3)="Density 0.97 g/cm" b$(4)="Group 1 element" $b$(5)="Reacts with cold HO" ,b$(6)="Extracted using electrolysis"  b$(1)="White colour" +b$(2)="Important for bones & teeth" "b$(3)="Density 1.55 g/cm" b$(4)="Group 2 element" $b$(5)="Reacts with cold HO" $b$(6)="Brick red flame test"  $b$(1)="Brown/red, malleable" -b$(2)="Good conductor of electricity" "b$(3)="Density 8.95 g/cm" -b$(4)="Alloys e.g. Dutch metal, coin" &b$(5)="No reaction with water" ,b$(6)="Extraction-roasting sulphide"  b$(1)="White, magnetic" )b$(2)="Catalyst in Haber process" "b$(3)="Density 7.86 g/cm" $b$(4)="Found in haemoglobin" !b$(5)="Reacts with steam" -b$(6)="Extr. by redu. of ore with CO"  b$(1)="White, light" -b$(2)="Good conductor of electricity" !b$(3)="Density 2.7 g/cm" b$(4)="Found in clays" ,b$(5)="Normally unreactive with HO"  )b$(6)="Extracted by electrolysis"   b$(1)="Silvery-white" b$(2)="M.pt -39C" "b$(3)="Density 13.6 g/cm" !b$(4)="Used in dentistry" #b$(5)="Unreactive with HO" *b$(6)="Extr. by roasting cinnabar"  b$(1)="Soft blue/white" *b$(2)="Alloys e.g. solder, pewter" "b$(3)="Density 11.3 g/cm" (b$(4)="Used in a secondary cell" #b$(5)="Unreactive with HO" )b$(6)="Extracted by roasting ore"  "b$(1)="Hard blue/white" #$b$(2)="Used for galvanizing" $"b$(3)="Density 7.14 g/cm" % b$(4)="Alloyed in brass" &!b$(5)="Reacts with steam" ')b$(6)="Extr. by reduction with C" ( ,b$(1)="Silvery, light" -$b$(2)="Found in chlorophyll" ."b$(3)="Density 1.74 g/cm" /b$(4)="Used in flares" 0#b$(5)="Reacts with hot HO" 1)b$(6)="Extracted by electrolysis" 2 6b$(1)="White, soft" 7-b$(2)="Good conductor of electricity" 8"b$(3)="Density 10.5 g/cm" 9#b$(4)="Used in photography" :#b$(5)="Unreactive with HO" ;(b$(6)="Can occur in native form" <  +4;"YOU ARE CORRECT, THE METAL WAS"  ,,,,,,A$(Z) &V10 ,0;"If you took 3 or less attempts then you will have scored a mark" 'y3sc=sc+1 (a$(1,1) )b$(1,1) 0_20,0;4;" Would you like more problems? Key Y for yes or N for no. " 5""18455 :%"n"Ʀ"N"Ʀ"y"Ʀ"Y"1850: ?="y"Ŧ="Y"680 D 7000X   b=0 a$(12 ,27)  a(12 )  a$(1)="Sodium hydroxide" *a$(2)="Copper sulphate(anhydrous)" a$(3)="Sodium chloride" +a$(4)="Sodium carbonate(anhydrous)" #a$(5)="Potassium hydroxide" #a$(6)="Potassium carbonate" a$(7)="Silver nitrate" a$(8)="Lead nitrate" "a$(9 )="Iron(III) sulphate" ,a$(10 )="Potassium hydrogencarbonate" !a$(11 )="Calcium chloride" 'a$(12 )="Potassium permanganate" a(1)=40( a(2)=160 a(3)=58.5j a(4)=106j a(5)=568 a(6)=138 a(7)=170 a(8)=331K a(9 )=400 a(10 )=100d a(11 )=111o a(12 )=158 x=(*12 )+1 y=(*12 )+1  z=(*8)+1  +z=3z=5z=72060  / 4M4;" WORK OUT THE MOLARITY OF THE FOLLOWING SOLUTION. " >a20,0;4;" Press 0 and then ENTER for a list of atomic masses. " H+5,0;y*.25~*a(x);"g of " M ,,,,a$(x) R2,,,,"made up to ";z*250;" cm with water." \14,0;6;"KEY IN THE MOLARITY THEN PRESS ENTER - DO NOT INCLUDE THE UNIT IN YOUR ANSWER. " fQ$ gQ$>5792150f hQ$=""2150f iG=Q$ kG=02500 l6ans=(y*.25~*a(x))/a(x)/(z*250/1000) m b=b+1 pgans+.05|L2250 z -4;" CORRECT " b=1sc=sc+1   2310  82;0;" YOU ARE WRONG. ",, 1,,,,6;"Would you like the right answer." g$=ans+".000"  ""2268 =""2270 %"n"Ʀ"N"Ʀ"y"Ʀ"Y"2270 :="y"Ŧ="Y"" ";g$(4);1;" MOLAR" Q,,,,4;"Would you like the same problem again? " ""2291 =""2295 %"n"Ʀ"N"Ʀ"y"Ʀ"Y"2295 ="y"Ŧ="Y"2095/  a$(1,1)  a(1) _20,0;4;" Would you like more problems? Key Y for yes or N for no. " ""2316 =""2320 %"n"Ʀ"N"Ʀ"y"Ʀ"Y"2320 ="y"Ŧ="Y"680  7000X  +0,9 ;1;"ATOMIC MASSES" (,,,,,,"CALCIUM 40","CHLORINE 35.5" ",,"CARBON 12","COPPER 64" !,,"HYDROGEN 1","IRON 56" #,,"LEAD 207","MANGANESE 55" ",,"NITROGEN 14","OXYGEN 16" #,,"POTASSIUM 39","SILVER 108" ",,"SODIUM 23","SULPHUR 32" ,,"ALUMINIUM 27" 521,3;6;"Press ENTER to return." .0,17:7;255,0 /0,154:7;255,0 G$ G$=""P=22095/ G$=""P=33595  G$""2535 680  B=0 A(7) A(1)=.001wn A(2)=.005y# = A(3)=.01z# = A(4)=.05|L A(5)=.1}L A(6)=.5 A(7)=1 Y=(*10 )+1 W=(*8)+1 X=(*7)+1 A$(8,9 ) B(8) A$(1)="SILVER" A$(2)="COPPER II" A$(3)="ALUMINIUM" A$(4)="CALCIUM" A$(5)="SODIUM" A$(6)="OXYGEN" A$(7)="CHLORINE" A$(8)="HYDROGEN" B(1)=108l B(2)=32 B(3)=9 B(4)=20 B(5)=23 B(6)=8 B(7)=35.5 B(8)=1 !Z=9650013 ,0;4;"Key in the mass of ";A$(W);" " B,4;"deposited and then press ENTER." Ga20,0;6;" Press 0 and then ENTER for a list of atomic masses. " Lq$ Mq$>5793660L NQ$=""3660L Og=q$ Qg=02500 R b=b+1 V W$g>b(w)*a(x)+.005y# =3680` X$g8,0;4;" Key Y for yes or N for no. " f""3686f g=""3687g j%"n"Ʀ"N"Ʀ"y"Ʀ"Y"3686f l=="Y"Ŧ="y",,,," ";b(w)*a(x);" GRAMS WERE DEPOSITED." yQ,,,,4;"Would you like the same problem again? " ~""3710~ =""3715 %"n"Ʀ"N"Ʀ"y"Ʀ"Y"3710~ ="Y"Ŧ="y"3595  _20,0;4;" Would you like more problems? Key Y for yes or N for no. " ""3740 =""3745 ="Y"Ŧ="y"680  7000X  X b>0:0::5,9 ;7;"BYE FOR NOW." gF8,4;0;7;"YOU SCORED ";SC;" OUT OF ";COUNT h iV=(SC/COUNT)*100d l2V>80P;7;" Which is excellent." q8V45-;7;"So you are heading for a fail." v?v<80PV>45-;7;" Which is satisfactory." 0,,,,0;"We hope you found these useful." -21,0;6;" 1983 SCISOFT"  7050 #("A",60<,36$,36$,60<,0,0,0,0,"S",0,0,124|,0,0,0,0,0,"D",34",82R,23,34",114r,0,0,0,"F",32 ,80P,23,32 ,112p,0,0,0,"G",112p,16,480,16,112p,0,0,0,"H",112p,16,557,16,112p,0,0,0,"J",0,0,0,32 ,80P,16,32 ,112p,"K",0,0,0,112p,16,480,16,112p,"L",0,0,0,16,480,80P,120x,16 #2X=19 #<H$ #FA=07 #P B:H$+A,B #ZA #dX #n oun 2#F#bpfzg# =n?stuwvH +l HLGI Sodium hydroxide Copper sulphate(anhydrous) Sodium chloride Sodium carbonate(anhydrous)Potassium hydroxide Potassium carbonate Silver nitrate Lead nitrate Iron(III) sulphate Potassium hydrogencarbonateCalcium chloride Potassium permanganate ? (jj8KdoQ ^ REVISION 08K5d285:5:1:  B=1 zG$=" O CERTIFICATE IN CHEMISTRY ^ ^ " (8,10 ;1;" REVISION" _20,0;1;" THROUGHOUT THIS PROGRAM PRESS ANY KEY TO CONTINUE. "  B=B+1 B=40 20 5  E18,16;" SCISOFT 1983":200:0,0;"" S=111 M=17 ";M;1;0;"SCISOFT"; M S  9000(# S=118 S  !^6,0;1;"PLEASE KEY IN YOUR NAME THEN PRESS ENTER. " "A$ #A$=""34 $A$>1834": %4:2,0;6;"HELLO THERE ";A$;"." &B4,0;"So you think this will pass yourexam for you?" '<7,0;"WELL SORRY,";1;"BUT IT WILL NOT." (B,,"WHAT IT WILL DO IS SHOW YOU WHATYOU CAN DO TO HELP YOURSELF." )'13 ,10 ;1;"HOWEVER" *d16,0;"THE MOST IMPORTANT LESSON IS THAT THERE IS NO SUBSTITUTE FOR HARD WORK." .""46. /=""47/ 0 2,6;"PLEASE KEY ONE OF THE FOLLOWING" 4B4,0;1;"1.";0;" >6 MONTHS TO EXAM" 6B6,0;1;"2.";0;" 3-6 MONTHS TO EXAM" 8B8,0;1;"3.";0;" 2-3 MONTHS TO EXAM" "5"70 IZ= JZ<1Z>5 70 KZ*1000z   >7;"NaCl IN";5;" ";6;"CHLORINE OUT"  " " X=320 X,2;"" X,25;"" X X=225 20,X;"" X .12 ,12 ;5;0;" " X=13 21 X,14;1;" " X x=10 162 X,6;"" X,9 ;"" X,19;"" X,22;"" X X=14 "12 +X,7;3;" " #12 +X,21;3;" " X 15,1;"------" 15,22;"-----" 21,15;"" &8,22;"";7;"" "9 ,6;7;"" #9 ,19;7;"" X=13 X+5,9 ;""  X+5,19;"" X+2,12 ;"" X+2,15;"" X !6,10 ;"" &6,15;"" '(10 ,26;7;"Na OUT" (y=81-1 **10 ,13 ;6;4;"*" +*10 ,15;6;4;"*" ,!10 ,7;7;"Na" -"10 ,20;7;"Na" .$9 ,23;7;">>Na>" 5#y,13 ;6;4;"*" 7 10 ?10 ,13 ;" " Dy,13 ;" " E10 ,7;" " F10 ,20;" " Iy J9 ,24;" " =""552(  %6;" THE DOWNS CELL "   /4;"ELECTROLYTE";5;" Fused NaCl" ""+ CaCl to lower melting point"  64;"AT ANODE ";5;" 2Cl Cl(g)+2e"  54;"AT CATHODE ";5;" Na +e Na(l)"  I"Electrolysis reqd.because sodiumis highly ";1;"electropositive"  17;"ANODE ";5;" a ring of iron"    )7;"CATHODE ";5;" carbon"    17;"CHLORINE";5;" is a valuable " J"by-product used widely in the plastics industry and to purify water." Q""849Q R=""850R    4;G$ (17,5;1;0;A$ A=16@ S=110 -15,10 ;1;2;"FAIL" S S=110 -15,10 ;1;4;"PASS" S A C21,0;7;1;"ITS MAKE YOUR MIND UP TIME." ""1014 =""1015  R0,0;"I WOULD SUGGEST THAT IT IS TOO EARLY TO BEGIN YOUR REVISION." Y,,,,"ARE YOU SURE THAT YOU ARE DEVOTING SUFFICIENT TIME TO SOLVING PROBLEMS?" 7,,,,"IS YOUR TEACHER HAPPY WITH YOUR MARKS IN TESTS?" A,,,,"YOU COULD BEGIN WORK ON MAKING ABOOKLET OF CONCISE NOTES." 721,0;1;"KEY X TO SEE AN EXAMPLE." =""1054 !="x"400 "="X"400H $ )90,0;7;"MAKE YOUR REVISION BOOKLET." .64,4;1;"1.";0;" CONCISE." 6T7,4;1;"2.";0;" INTERESTING. (USE COLOUR TO UNDERLINE)" =Q11 ,0;"REMEMBER A CLEAR DIAGRAM IS OFTEN WORTH PAGES OF NOTES." GD16,0;"TRY TO SPEND SOME TIME DOING EXTRA READING." L M*1;"YOU WILL NOT FIND TIME LATER." N03:40(,100d:180,0 O/3:40(,99c:180,0 P/3:40(,98b:180,0 R 1 S""1107S T=""1108T V [86,4;0;7;"BUT! ABOVE ALL." ` 80 e:10 ,0;6;"UNDERSTAND THE WORK NOW!!!!" j516,0;"IT WILL BE SO MUCH HARDER LATER" o"IN THE COURSE TO CATCH UP." t""1140t u=""1141u ~ 48@  m6;"THIS IS THE BEST POSSIBLE TIME TO BEGIN A SERIOUS PROGRAM OF REVISION. "  [,,,,1;"1.";0;" FIND A PLACE WHERE YOU CAN WORK REGULARLY UNDISTURBED."  V1;"2.";0;" GET FROM YOUR TEACHER A BREAKDOWN OF THE SYLLABUS."  Y1;"3.";0;" WRITE DOWN A TIMETABLE OF TOPICS TO REVISE WEEK BY WEEK"   1;"4.";0;" WHEN YOU HAVE LEARNED EACH TOPIC THOROUGHLY AND ARE ABLE TO ANSWER PROBLEMS SET THEN YOU SHOULD MAKE BRIEF NOTES IN YOUR REVISION NOTEBOOK."  ""2070 =""2071  400H 4 >S"USE THE REVISION NOTES INCLUDED AS EXAMPLES, NOT SUBSTITUTES FORYOUR OWN NOTES." C Hn"BY CONDENSING FROM TEXT BOOKS AND FROM YOUR CLASS NOTES YOU WILL EXTRACT AND REMEMBER THE KEY FACTS." R \"MAKE YOUR NOTES INTERESTING-USE PLENTY OF COLOUR TO UNDERLINE THINGS(E.G.FORMULAE)THAT YOU PARTICULARLY WANT TO LEARN." aD"REMEMBER A CLEARLY LABELLED DIAGRAM IS WORTH PAGES OF NOTES." f k8"ANSWER AS MANY PAST PAPERS AS YOU CAN GET HOLD OF." p ""2200 =""2201  7000Z   4;G$ (17,5;1;0;A$ -15,10 ;1;4;"PASS" A21,0;1;7;"THIS SHOULD THEN BE YOURS" ""2994 =""2995  50H  *6;"SO YOU HAVE WOKEN UP AT LAST."  &6;"EH? ";1;0;A$ {6,0;1;"YOU";0;" REALLY HAVE GOT YOUR WORK CUT OUT IF YOU ARE TO STAND MUCHCHANCE OF A PASS."  P"THEY DONT HAND OUT CERTIFICATES JUST BECAUSE YOU HAVE ATTENDED FOR 2 YEARS."  *"YOUR FUTURE LIES WITH ";1;"YOU."  M1;"STOP KIDDING";0;" YOURSELF- YOU ARE ALMOST AN ADULT NOW."  \"STOP WATCHING THE TV. USE THE ";1;"TIME WISELY";0;" EG.ON REVISION NOTES" ""3060 =""3061  2025}    4;G$ -15,10 ;1;2;"FAIL" (17,6;1;0;A$ H21,0;1;7;"THIS IS WHAT YOU ARE HEADING FOR" ""4005 =""4006  06;"PANICKING EH? ";1;0;A$  ^"IF THIS IS THE FIRST TIME YOU HAVE THOUGHT ABOUT REVISING THENWE SUGGEST YOU TRY PRAYER!"  .1;"HOWEVER";0;" IF YOU HAVE: "  91;"1.";0;" MADE OUT A REVISION TIMETABLE"  91;"2.";0;" ANSWERED LOTS OF PAST PAPERS."  41;"3.";0;" PREPARED + LEARNED SOME " 3;"REVISION NOTES."  51;"4.";0;" REDUCED YOUR SOCIAL LIFE." ""4046 =""4047 A=1100d ,17,8;0;7;"THEN" ,17,8;2;0;"THEN" A -17,14;1;"AND ONLY THEN"  ',,"MY DEAR ";A$;" DO ";1;"YOU" /,,"STAND MUCH CHANCE OF ";1;"PASSING." ""4115 =""4116  M6;"YOUR REVISION TIMETABLE WILL HAVE TO BE DRASTICALLY BRIEF. "   !M4;"E.G. WEEK1 PERIODIC TABLE & COVALENT/IONIC BONDS." " $17;5;"WEEK2 ACIDS, BASES, SALTS. " ' ):3;0;5;"WEEK3 THE COMMON GASES. " , .#"PICK A SINGLE TOPIC EACH NIGHT." / 1-"LEARN THE KEY FACTS DIAGRAMS ANDFORMULAE." 2 3&"THEN ";1;"DO SOME PROBLEMS." 4 5n"REMEMBER THAT EXAMS ARE A COMPETITION AND ONLY THOSE WHO KNOW THE WORK WILL WIN THE PRIZEOF A PASS." 6""41506 7=""41517 : ; 7040\ E 50H  =0,6;6;"GOOD LUCK ";1;0;A$ ?4,0;"REMEMBER TO ";1;"READ THE QUESTION."  @,,"CHECK THAT YOU HAVE ANSWERED THERIGHT NUMBER OF QUESTIONS."  ;,,"PACE YOURSELF AND LEAVE TIME AT THE END FOR CHECKING."   n,,"BUT ABOVE ALL DO SUFFICIENT REVISION SO THAT YOU GO INTO THEEXAM ROOM FEELING ";1;"CONFIDENT." ""5100 =""5101  M4;"MOST EXAM BOARDS ADVISE YOU ON HOW LONG TO SPEND PER SECTION. "  M7;"TRY TO STICK TO THIS + OR - 10 MINUTES. "   k1;"USE THE MARKS PER QUESTION";0;" WHICHARE OFTEN PRINTED AT THE SIDES AS AN EXTRA GUIDE."  "IF YOU WISH TO CHANGE AN ANSWER THEN DO SO CLEARLY IF THE MARKERCANNOT DECIPHER WHAT YOU HAVE WRITTEN THEN ";1;"ZERO MARKS."  6;"LEAVE SOME TIME AT THE END FOR CHECKING 1) THAT YOU HAVE ANSWERED THE CORRECT SECTIONS 2) THE RIGHT NUMBER OF QUESTIONS3)CHECK FOR OBVIOUS ERRORS. " (""5160( )=""5161) 2 < 50H X Y11;0,6;"REVISION TIMETABLE." ] b7,,,,"BREAK THE SYLLABUS DOWN INTO SENSIBLE PARTS." g lo,,7;"E.G. WEEK1 THE PERIODIC TABLE INCLUDING GROUPS, PERIODS & TRENDS. " q vp,,4 ;" WEEK2 BONDING + PROPERTIES OF COVALENT AND IONIC COMPOUNDS. " x {8,,0;2;" WEEK3 OXIDATION & REDUCTION" |""7036| }=""7037}  *0,6;1;"PAST PAPERS."   >,,"CHECK THAT IT IS RECENT. (MANY SYLLABUSES HAVE CHANGED)"  C,,"DO NOT FOOL YOURSELF BY ONLY ANSWERING THE EASY QUESTIONS."  1;"WORK ON YOUR OWN."  1,,"YOUR FRIENDS WILL NOT BE THERE ON THE DAY." ""7090 =""7092  -0,6;1;"REVISION NOTES."  ?,,,,"AS THE DAY GETS CLOSER THESE WILL BECOME INVALUABLE."  .,,"USE THE ONES WE PROVIDE ONLY AS A GUIDE."  O,,4;"MAKE YOURS THOROUGH,COLOURFUL AND ABOVE ALL INTERESTING. "  /,,1;"BUT DO NOT FOOL YOURSELF. "  O,,6;"ONLY IF YOU LEARN THEM PROPERLY ARE THEY ANY USE TO YOU. " ""7155 =""7156  *0,6;1;"SOCIAL LIFE."  Q,,,,6;"THIS IS WHERE IT SHOWS IF YOU REALLY WANT TO PASS. "   E,,"AS THE EXAMS APPROACH THEN 2 EVENINGS MAX. PER WEEK OUT."  #,,"AND IN THE LAST FEW WEEKS...."   %8,,2;0;"EXPECT NO SOCIAL LIFE AT ALL. " *""7210* +=""7211+ 0 4 #("A",16,16,124|,16,16,0,0,0,"S",0,0,124|,0,0,0,0,0,"D",34",82R,23,34",114r,0,0,0,"F",32 ,80P,23,32 ,112p,0,0,0,"G",114r,18,557,18,114r,0,0,0,"H",112p,16,557,16,112p,0,0,0,"J",0,0,0,32 ,80P,16,32 ,112p,"K",0,0,0,112p,16,480,16,112p,"L",0,0,0,16,480,80P,120x,16,"C",0,8,4,2,255,2,4,8 #2X=110 #<A$ #FA=07 #P B:A$+A,B #ZA #dX #n b|  2#F#z(Gs O CERTIFICATE IN CHEMISTRY ^ ^ AA