UDL_100STOIC_UL.DLLLimitting reactantsLead (II) iodide will be made and the amounts of product will be comparedC:\Program Files\Model Science\teacher ed ChemLab\lim reactant intro.rtfrtfC:\Program Files\Model Science\teacher ed ChemLab\lim reactant procedure.rtfC:\Program Files\Model Science\teacher ed ChemLab\lim reactant observations.rtf2 w_ Ruel Eneboe{\rtf1\ansi\ansicpg1252\uc1 \deff0\deflang1033\deflangfe1033{\fonttbl{\f0\froman\fcharset0\fprq2{\*\panose 02020603050405020304}Times New Roman;}{\f30\froman\fcharset238\fprq2 Times New Roman CE;}{\f31\froman\fcharset204\fprq2 Times New Roman Cyr;} {\f33\froman\fcharset161\fprq2 Times New Roman Greek;}{\f34\froman\fcharset162\fprq2 Times New Roman Tur;}{\f35\froman\fcharset177\fprq2 Times New Roman (Hebrew);}{\f36\froman\fcharset178\fprq2 Times New Roman (Arabic);} {\f37\froman\fcharset186\fprq2 Times New Roman Baltic;}}{\colortbl;\red0\green0\blue0;\red0\green0\blue255;\red0\green255\blue255;\red0\green255\blue0;\red255\green0\blue255;\red255\green0\blue0;\red255\green255\blue0;\red255\green255\blue255; \red0\green0\blue128;\red0\green128\blue128;\red0\green128\blue0;\red128\green0\blue128;\red128\green0\blue0;\red128\green128\blue0;\red128\green128\blue128;\red192\green192\blue192;}{\stylesheet{ \ql \li0\ri0\widctlpar\aspalpha\aspnum\faauto\adjustright\rin0\lin0\itap0 \fs24\lang1033\langfe1033\cgrid\langnp1033\langfenp1033 \snext0 Normal;}{\*\cs10 \additive Default Paragraph Font;}}{\info{\title This reaction will investigate limiting reactants} {\author fac488re}{\operator fac488re}{\creatim\yr2002\mo10\dy31\hr10\min56}{\revtim\yr2003\mo1\dy13\hr14\min20}{\version5}{\edmins7}{\nofpages1}{\nofwords0}{\nofchars0}{\*\company Canton Public Schools}{\nofcharsws0}{\vern8247}} \margl1440\margr1440\margt1152\margb1152 \widowctrl\ftnbj\aenddoc\noxlattoyen\expshrtn\noultrlspc\dntblnsbdb\nospaceforul\hyphcaps0\formshade\horzdoc\dgmargin\dghspace120\dgvspace180\dghorigin1440\dgvorigin1152\dghshow2\dgvshow2 \jexpand\viewkind1\viewscale100\pgbrdrhead\pgbrdrfoot\splytwnine\ftnlytwnine\htmautsp\nolnhtadjtbl\useltbaln\alntblind\lytcalctblwd\lyttblrtgr\lnbrkrule \fet0\sectd \linex0\endnhere\sectlinegrid360\sectdefaultcl {\*\pnseclvl1 \pnucrm\pnstart1\pnindent720\pnhang{\pntxta .}}{\*\pnseclvl2\pnucltr\pnstart1\pnindent720\pnhang{\pntxta .}}{\*\pnseclvl3\pndec\pnstart1\pnindent720\pnhang{\pntxta .}}{\*\pnseclvl4\pnlcltr\pnstart1\pnindent720\pnhang{\pntxta )}}{\*\pnseclvl5 \pndec\pnstart1\pnindent720\pnhang{\pntxtb (}{\pntxta )}}{\*\pnseclvl6\pnlcltr\pnstart1\pnindent720\pnhang{\pntxtb (}{\pntxta )}}{\*\pnseclvl7\pnlcrm\pnstart1\pnindent720\pnhang{\pntxtb (}{\pntxta )}}{\*\pnseclvl8\pnlcltr\pnstart1\pnindent720\pnhang {\pntxtb (}{\pntxta )}}{\*\pnseclvl9\pnlcrm\pnstart1\pnindent720\pnhang{\pntxtb (}{\pntxta )}}\pard\plain \ql \li0\ri0\widctlpar\aspalpha\aspnum\faauto\adjustright\rin0\lin0\itap0 \fs24\lang1033\langfe1033\cgrid\langnp1033\langfenp1033 {\fs32 This reaction will investigate the relationship of the amount of one reactant to the amount of another reactant, and to the amount of product formed. You will form a yellow lead (II) iodide precipitate from various amounts of reactants and compare results. \par }}{\rtf1\ansi\ansicpg1252\uc1 \deff0\deflang1033\deflangfe1033{\fonttbl{\f0\froman\fcharset0\fprq2{\*\panose 02020603050405020304}Times New Roman;}{\f30\froman\fcharset238\fprq2 Times New Roman CE;}{\f31\froman\fcharset204\fprq2 Times New Roman Cyr;} {\f33\froman\fcharset161\fprq2 Times New Roman Greek;}{\f34\froman\fcharset162\fprq2 Times New Roman Tur;}{\f35\froman\fcharset177\fprq2 Times New Roman (Hebrew);}{\f36\froman\fcharset178\fprq2 Times New Roman (Arabic);} {\f37\froman\fcharset186\fprq2 Times New Roman Baltic;}}{\colortbl;\red0\green0\blue0;\red0\green0\blue255;\red0\green255\blue255;\red0\green255\blue0;\red255\green0\blue255;\red255\green0\blue0;\red255\green255\blue0;\red255\green255\blue255; \red0\green0\blue128;\red0\green128\blue128;\red0\green128\blue0;\red128\green0\blue128;\red128\green0\blue0;\red128\green128\blue0;\red128\green128\blue128;\red192\green192\blue192;}{\stylesheet{ \ql \li0\ri0\widctlpar\aspalpha\aspnum\faauto\adjustright\rin0\lin0\itap0 \fs24\lang1033\langfe1033\cgrid\langnp1033\langfenp1033 \snext0 Normal;}{\*\cs10 \additive Default Paragraph Font;}}{\info{\title This reaction will investigate limiting reactants} {\author fac488re}{\operator fac488re}{\creatim\yr2002\mo10\dy31\hr11\min3}{\revtim\yr2003\mo1\dy13\hr12\min20}{\version10}{\edmins182}{\nofpages2}{\nofwords257}{\nofchars1467}{\*\company Canton Public Schools}{\nofcharsws0}{\vern8247}} \margl1440\margr1440\margt1152\margb1152 \widowctrl\ftnbj\aenddoc\noxlattoyen\expshrtn\noultrlspc\dntblnsbdb\nospaceforul\hyphcaps0\formshade\horzdoc\dgmargin\dghspace120\dgvspace180\dghorigin1440\dgvorigin1152\dghshow2\dgvshow2 \jexpand\viewkind1\viewscale100\pgbrdrhead\pgbrdrfoot\splytwnine\ftnlytwnine\htmautsp\nolnhtadjtbl\useltbaln\alntblind\lytcalctblwd\lyttblrtgr\lnbrkrule \fet0\sectd \linex0\endnhere\sectlinegrid360\sectdefaultcl {\*\pnseclvl1 \pnucrm\pnstart1\pnindent720\pnhang{\pntxta .}}{\*\pnseclvl2\pnucltr\pnstart1\pnindent720\pnhang{\pntxta .}}{\*\pnseclvl3\pndec\pnstart1\pnindent720\pnhang{\pntxta .}}{\*\pnseclvl4\pnlcltr\pnstart1\pnindent720\pnhang{\pntxta )}}{\*\pnseclvl5 \pndec\pnstart1\pnindent720\pnhang{\pntxtb (}{\pntxta )}}{\*\pnseclvl6\pnlcltr\pnstart1\pnindent720\pnhang{\pntxtb (}{\pntxta )}}{\*\pnseclvl7\pnlcrm\pnstart1\pnindent720\pnhang{\pntxtb (}{\pntxta )}}{\*\pnseclvl8\pnlcltr\pnstart1\pnindent720\pnhang {\pntxtb (}{\pntxta )}}{\*\pnseclvl9\pnlcrm\pnstart1\pnindent720\pnhang{\pntxtb (}{\pntxta )}}\pard\plain \ql \li0\ri0\widctlpar\aspalpha\aspnum\faauto\adjustright\rin0\lin0\itap0 \fs24\lang1033\langfe1033\cgrid\langnp1033\langfenp1033 {\b\fs44\ul Part 1 \par }{\fs28 \par 1. Obtain a series of seven 250 mL beaker, or do one beaker at a time. You can right click a beaker and choose to label it with a number. \par \par 2. From the chemical menu add the amount of lead (II) nitrate indicated in the table below. \par \par 3. To the each beaker add the amount of potassium iodide indicated in the table below \par }\pard \ql \li0\ri0\widctlpar\tx3600\tx6480\aspalpha\aspnum\faauto\adjustright\rin0\lin0\itap0 {\fs28 \par }\pard \ql \li0\ri0\widctlpar\tqc\tx2040\tqc\tx3600\aspalpha\aspnum\faauto\adjustright\rin0\lin0\itap0 {\fs28 \tab lead (II)\tab potassium \par \tab nitrate\tab iodide \par 1 }{\fs28\ul\super st}{\fs28 beaker\tab 200\tab 30 \par 2 }{\fs28\ul\super nd}{\fs28 beaker\tab 170\tab 60 \par 3 }{\fs28\ul\super rd}{\fs28 beaker\tab 140\tab 90 \par 4 }{\fs28\ul\super th}{\fs28 beaker\tab 110\tab 120 \par 5 }{\fs28\ul\super th}{\fs28 beaker\tab 80\tab 150 \par 6 }{\fs28\ul\super th}{\fs28 beaker\tab 50\tab 180 \par 7 }{\fs28\ul\super th}{\fs28 beaker\tab 20\tab 210 \par }\pard \ql \li0\ri0\widctlpar\aspalpha\aspnum\faauto\adjustright\rin0\lin0\itap0 {\fs28 \par 4. Obtain a 250 Erlenmeyer flask from the equipment menu, select it by right clicking it, and select a Buchner funnel. Pour a beaker through the funnel. \par \par 5. Select the flask with the Buchner funnel and again choose the Buchner funnel opition from the equipment menu to remove it. Place the precipitate from the funnel into a test tube. Remember to use a new flask or to pour the flask into a 250 mL beake r between each usage. \par \par }{\b\fs44\ul Part 2}{\fs28 to be completed after you have completed the observation portion of the lab. \par \par \emdash Testing to see which chemical was in excess \par \par 1. Choose one of the beakers or flasks from step 5 above or select a Buchner funnel from the equipment and filter the precipitate from your attempt at the maximum precipitate. \par \par 2. Select two }{\fs28\ul 100}{\fs28 mL beakers and pour the 250 mL flask or 250 mL beaker into one of the 100 mL beakers. When you are told that you have exceeded the capacity of the beaker click ok and start to pour into the other 100 mL beaker. You will have 40 mL left that will not be used. \par \par 3. Pour each 100 mL beaker into a different 250 mL beaker. \par \par 4. To one of the beakers add 20 mL of potassium iodide and to the other beaker add 20 mL of lead (II) nitrate. Remember which beaker had which chemical added to it. \par \par 5. Was a precipitate formed in either beaker, why? \par }}{\rtf1\ansi\ansicpg1252\uc1 \deff0\deflang1033\deflangfe1033{\fonttbl{\f0\froman\fcharset0\fprq2{\*\panose 02020603050405020304}Times New Roman;}{\f30\froman\fcharset238\fprq2 Times New Roman CE;}{\f31\froman\fcharset204\fprq2 Times New Roman Cyr;} {\f33\froman\fcharset161\fprq2 Times New Roman Greek;}{\f34\froman\fcharset162\fprq2 Times New Roman Tur;}{\f35\froman\fcharset177\fprq2 Times New Roman (Hebrew);}{\f36\froman\fcharset178\fprq2 Times New Roman (Arabic);} {\f37\froman\fcharset186\fprq2 Times New Roman Baltic;}}{\colortbl;\red0\green0\blue0;\red0\green0\blue255;\red0\green255\blue255;\red0\green255\blue0;\red255\green0\blue255;\red255\green0\blue0;\red255\green255\blue0;\red255\green255\blue255; \red0\green0\blue128;\red0\green128\blue128;\red0\green128\blue0;\red128\green0\blue128;\red128\green0\blue0;\red128\green128\blue0;\red128\green128\blue128;\red192\green192\blue192;}{\stylesheet{ \ql \li0\ri0\widctlpar\aspalpha\aspnum\faauto\adjustright\rin0\lin0\itap0 \fs24\lang1033\langfe1033\cgrid\langnp1033\langfenp1033 \snext0 Normal;}{\*\cs10 \additive Default Paragraph Font;}}{\info{\title This reaction will investigate limiting reactants} {\author fac488re}{\operator fac488re}{\creatim\yr2002\mo10\dy31\hr11\min4}{\revtim\yr2003\mo1\dy13\hr14\min23}{\version6}{\edmins14}{\nofpages1}{\nofwords0}{\nofchars0}{\*\company Canton Public Schools}{\nofcharsws0}{\vern8247}} \margl1440\margr1440\margt1152\margb1152 \widowctrl\ftnbj\aenddoc\noxlattoyen\expshrtn\noultrlspc\dntblnsbdb\nospaceforul\hyphcaps0\formshade\horzdoc\dgmargin\dghspace120\dgvspace180\dghorigin1440\dgvorigin1152\dghshow2\dgvshow2 \jexpand\viewkind1\viewscale100\pgbrdrhead\pgbrdrfoot\splytwnine\ftnlytwnine\htmautsp\nolnhtadjtbl\useltbaln\alntblind\lytcalctblwd\lyttblrtgr\lnbrkrule \fet0\sectd \linex0\endnhere\sectlinegrid360\sectdefaultcl {\*\pnseclvl1 \pnucrm\pnstart1\pnindent720\pnhang{\pntxta .}}{\*\pnseclvl2\pnucltr\pnstart1\pnindent720\pnhang{\pntxta .}}{\*\pnseclvl3\pndec\pnstart1\pnindent720\pnhang{\pntxta .}}{\*\pnseclvl4\pnlcltr\pnstart1\pnindent720\pnhang{\pntxta )}}{\*\pnseclvl5 \pndec\pnstart1\pnindent720\pnhang{\pntxtb (}{\pntxta )}}{\*\pnseclvl6\pnlcltr\pnstart1\pnindent720\pnhang{\pntxtb (}{\pntxta )}}{\*\pnseclvl7\pnlcrm\pnstart1\pnindent720\pnhang{\pntxtb (}{\pntxta )}}{\*\pnseclvl8\pnlcltr\pnstart1\pnindent720\pnhang {\pntxtb (}{\pntxta )}}{\*\pnseclvl9\pnlcrm\pnstart1\pnindent720\pnhang{\pntxtb (}{\pntxta )}}\pard\plain \ql \li0\ri0\widctlpar\aspalpha\aspnum\faauto\adjustright\rin0\lin0\itap0 \fs24\lang1033\langfe1033\cgrid\langnp1033\langfenp1033 {\fs32 1. Right click each test tube and choose the chemical properties option. \par \par 2. Record the number of moles of precipitate (PbI}{\fs32\sub 2}{\fs32 ) in each test tube. \par \par 3. What is the pattern in the amount of precipitate from test tube to test tube. \par \par 4. Predict what would happen if you added some lead (II) nitrate or potassium iodide to each of the test tubes. \par \par 5. Predict the amounts of lead (II) nitrate and potassium iodide that will give you the maximum amount of precipitate. Remember that the total amount of both liquids together must not be more than 250 mL. \par \par 6. You may go back to the lab portion of this program and try your mixture. Whether you choose to try your mixture or not, you should go back to the procedure and complete part 2. \par }}uH2OWater II)Colorless liquidA?CC33333R@(kI-Iodine anionIonized Iodine BCC$Pb(NO3)2Lead (II) Nitratecolorless cystalC@9D FBB@uI@(kPb 2+Lead ionLead ion 33OCCC@NO3 -Nitrate ionNitrate ion xBCC(kK+Potassium cationPotassium cation )\BCC?V4uKIPotassium iodidecolorless crystal&C33@nDDBB@uI@~#PbI2Lead (II) iodideyellow solid'Cff@7D DI@KI ionizationV4u?(k ?(k ?Pb(NO3)2 ionization$?(k ? @Precipiaton~#@?(k ?(k @Precipiaton~#?(k ?(k @