惠州市2009届高三模拟考试 化学试题(2009.4)（huizhou 2009 high school chemistry examination examination questions (2009.4)）

惠州市2009届高三模拟考试化学试题20094（HUIZHOU2009HIGHSCHOOLCHEMISTRYEXAMINATIONEXAMINATIONQUESTIONS20094）HUIZHOU2009HIGHSCHOOLCHEMISTRYEXAMINATIONEXAMINATIONQUESTIONS20094THISPAPERISDIVIDEDINTOTWOPARTSSELECTIVEANDNONSELECTIVE,WITH150POINTSTHEEXAMTAKES120MINUTESPOSSIBLERELATIVEATOMICMASSO,16,S,32,NA,23,MG,24,AL,27,CA,40,C,12,K,FE,39,56THEFIRSTPARTISTHEMULTIPLECHOICEQUESTION63POINTSALTOGETHERACHOICETHISINCLUDES9ITEMS,EACHITEMOF3POINTS,ATOTALOF27POINTSPERQUESTION,ONLYONEANSWERISCORRECT1URANIUMUISANIMPORTANTRAWMATERIALOFNUCLEARINDUSTRY,WHICHISVERYLOWINNATUREURANIUMUHASBEENPAIDATTENTIONTOBYTHEINTERNATIONALCOMMUNITYTHEFOLLOWINGSTATEMENTABOUTURANIUMUISCORRECTAUANDUAREOFTHESAMENATURETHEBUNUCLEUSCONTAINS143NEUTRONSCUISLOCATEDINTHEIIAGROUP,ANDTHEMASSOFD1MOLUIS143GTHECONVERSIONBETWEENTHE2WITHTHEFOLLOWINGSUBSTANCES“COMBINATIONYIBINGDING“ISNAHNO3NAOHCUCUOH2SH2SO4NH3A,IIB,IV,C,II,IV,DALL3INTHEFOLLOWINGCHEMICALEXPERIMENTS,ITCANBEPROVEDTHATACOMMONGASINSECONDARYSCHOOLISSO2ONECANMAKETHELIMEWATERTURBIDBLUELITMUSPAPERCANMAKETHEMOISTREDTHECANFADEFUCHSINSOLUTIONANDMAKETHELIMEWATERTURBIDAPPLYINGTHENAOHSOLUTIONINTOENOUGH,ADDINGBAC12SOLUTION,AWHITEPRECIPITATE,THEPRECIPITATEDISSOLVEDINDILUTEHYDROCHLORICACIDTHEPASSINTOTHEWATERTHEWATERFADE,ADDINGBANO32SOLUTION,AWHITEPRECIPITATEACANPROVETHATBCANNOTPROVETHATCCANPROVETHATDCANONLYBEPROVED4WHATFOLLOWSINTHESTATEMENTABOUTALUMINUMISCORRECTABECAUSEOFITSSTRONGREDUCIBILITY,ALUMINUMCANBEUSEDTOSMELTCERTAINHIGHMELTINGPOINTMETALSBYTHERMITREACTIONBBECAUSEALUMINUMISEASYTORUSTINAIR,THESERVICELIFEOFALUMINUMPRODUCTSISVERYSHORTCATROOMTEMPERATURE,DUETOALUMINUMANDCONCENTRATEDSULFURICACIDPASSIVATIONREACTION,SOTHEALUMINUMTANKCANBEUSEDTOTRANSPORTCONCENTRATEDSULFURICACIDDDUETOTHEELECTRICALCONDUCTIVITYOFALUMINUMTHANCOPPER,SILVER,SOOFTENUSEDINTHEMANUFACTURINGOFWIREANDCABLE5THEFOLLOWINGDESCRIPTIONERRORSARETHEACATALYSTCANONLYCHANGETHERATEOFCHEMICALREACTION,ANDCANNOTCHANGETHELIMITOFTHECHEMICALREACTIONBREVERSIBLEREACTIONUNDERCERTAINCONDITIONS,THECONVERSIONRATEOFREACTANTSCANNOTREACH100CCOMPOUNDSTHATREACTWITHHYDROCHLORICACIDANDREACTWITHSODIUMHYDROXIDESOLUTIONSMUSTBEAL2O3ORALOH3DINTHESAMEOXIDATIONREDUCTIONREACTION,THESAMESPECIESCANALSOBEREDUCEDATTHESAMETIMEASOXIDIZED6HYPOTHESISANDCONJECTUREARETHEFORERUNNEROFSCIENTIFICINQUIRY,ANDTHEINQUIRYACTIVITYGUIDEDBYTHEFOLLOWINGASSUMPTIONSORCONJECTURESMUSTBEOFNOPRACTICALSIGNIFICANCEAEXPLORESTHEPOSSIBLEREACTIONBETWEENCONCENTRATEDSULFURICACIDANDCOPPERPRODUCEDINCERTAINCONDITIONSINTHEBLACKSUBSTANCEOFCUSBEXPLORESSO2ANDNA2O2RESPONSESTHATMAYHAVENA2SO4GENERATIONCEXPLORESHOWNASREACTIONTOWATERMAYHAVEO2PRODUCTIONDTONAOHDROPSOFPHENOLPHTHALEINSOLUTIONTHROUGHCL2,TOEXPLORETHEREASONSFORREDFADINGISTHEPHOFTHESOLUTIONCHANGESORHCLOBLEACHING7INTHEFOLLOWINGDEVICES,THECLAMPINGCLAMPSFORCLAMPING,SECONDARY,ANDTHIRDARERELATEDTOOPERATIONAONTHEDEVICEREMOVEBOTHHANDSTHESURFACEOFTHEVESSELISLEVELWITHTHESURFACEOFTHEBEAKERBONTHEDEVICETHEHEIGHTOFTHELIQUIDLEVELINTHELONGNECKFUNNELREMAINSUNCHANGEDCPAIRSOFDEVICES,FORMINGACOLUMNOFWATERINALONGCATHETERDTOTHEDEVICE,AFTERLIFTINGTHEATUBE,THELIQUIDLEVELATBOTHENDSOFTHEAANDBFORMSASTABLEHEIGHTDIFFERENCE8INTHEFORMERDISPERSINGSYSTEM,SLOWLYADDAREAGENTTHATPRECIPITATESFIRSTANDTHENBECOMESCLEARTHESODIUMHYDROXIDESOLUTIONADDEDTOTHEALUMINUMCHLORIDESOLUTIONTOTHEPROTEINSOLUTIONDROPSINTOTHELEADNITRATESOLUTIONTHEALUMINUMCHLORIDESOLUTIONADDEDTOSODIUMHYDROXIDESOLUTIONTOTHEFERRICHYDROXIDECOLLOIDADDINGDILUTESULFURICACIDA,B,IIC,IIDNINETHEFOLLOWINGEXPERIMENTSFAILTOACHIEVETHEINTENDEDPURPOSENUMBEREXPERIMENTCONTENTEXPERIMENTALPURPOSEATHESO2ISPASSEDINTOANACIDKMNO4SOLUTIONITISPROVEDTHATSO2ISREDUCTIVEBTHEH2SISPASSEDINTOTHECUSO4SOLUTIONTOPRODUCEABLACKPRECIPITATECOMPARETHEACIDITYANDSTRENGTHOFH2SANDH2SO4CATACERTAINTEMPERATURE,ASYRINGEWITHNO2GASISENCLOSEDATONEENDTOREDUCEITSVOLUMETHEEFFECTOFPRESSUREONTHECHEMICALEQUILIBRIUMSTATEOFGASREACTIONISSTUDIEDD1EQUALCONCENTRATIONH2O2SOLUTIONSWEREADDEDTO2TUBES,ANDASMALLAMOUNTOFMNO2WASADDEDTOTHEMTHEEFFECTOFCATALYSTONTHERATEOFH2O2DECOMPOSITIONUNDERTHESAMECONDITIONSWASINVESTIGATEDTWO,CHOICE9ITEMS,EACHOF4POINTS,ATOTALOF36POINTSEACHITEMHASONEORTWOOPTIONSCORRECTLYIFTHEREARETWOCHOICESFORTHECORRECTANSWER,ONLYONEISCHOSENANDTHECORRECTONEIS2THETWOCHOSENARE4POINTSCORRECTLY,BUTTHEWRONGONEISCHOSEN,WHICHIS010CHARTDATACANPROVIDEUSWITHALOTOFINFORMATIONHEREISASTUDENTSUSEOFTHECHART,WHICHISINCORRECTTHEADETERMINESWHETHERAMETALCANDISPLACEHYDROGENFROMDILUTESULPHURICACIDACCORDINGTOTHESEQUENCEOFMETALACTIVITYBACCORDINGTOTHEMELTINGPOINTDATATABLE,WHENTHETEMPERATUREISLOWERED,WHICHSUBSTANCEISPRECIPITATEDINTHEAQUEOUSSOLUTIONOFTHETWOSOLIDMIXTURESCACCORDINGTOTHEPERIODICTABLEOFTHEELEMENTS,ITISCONCLUDEDTHATTHEDISCHARGEOFTHECATIONSINTHEAQUEOUSSOLUTIONCONTAININGTWOKINDSOFCATIONSOFTHESAMEGROUPELEMENTISFIRSTDISCHARGEDBYANINERTELECTRODEDACCORDINGTOTHESOLUBILITYTABLEOFACIDBASESALT,DETERMINEWHETHERSOMECOMPLEXDECOMPOSITIONREACTIONCANOCCUR11THEIONEQUATIONOFTHEFOLLOWINGREACTIONSISWRITTENCORRECTLYATOTHEFERROUSBROMIDESOLUTIONWITHEXCESSIVECHLORINE2FE22BR2CL22FE3BR24CLBAMMONIUMBICARBONATESOLUTIONANDASUFFICIENTAMOUNTOFCAUSTICSODASOLUTIONREACTIONHCO3OHCO32H2OCNAALO2SOLUTION1MOLL1AND25MOLL1HCLSOLUTIONMIXINGVOLUMEALO2HH2OALOH3DINTHEALUMKALSO42SOLUTIONDROPSINTOBAOH2SOLUTIONTOAL3EXACTLY2AL33SO423BA26OH2ALOH3BASO4312WHATFOLLOWSISTRUEA“SHENZHOUSIX“REENTRYCAPSULESURFACEISANEWTYPEOFINORGANICNONMETALLICMATERIALWITHHIGHTEMPERATURERESISTANCEANDOXIDATIONRESISTANCEITCANAUTOMATICALLYABLATEANDREMOVEHEATATHIGHTEMPERATURE,SOASTOENSURETHATTHEINTERNALTEMPERATUREISNOTTOOHIGHB“FLUORIDETOOTHPASTE“,“SELENIUMENRICHED“INTHEFLUORIDE,SELENIUMREFERSTOTHEMOLECULES,AND“HIGHCALCIUMMILK“AND“IRONSAUCE“REFERSTOCALCIUMANDIRONELEMENTSCRIGHTISTHESCHEMATICDIAGRAMOFTHEENERGYOFREACTANTSA,BANDC,ANDTHETHERMALIZATIONOFTHEREACTIONTHEMATHEMATICALEQUATIONSAREASFOLLOWS2AGBG2CGDELTAHQKJMOL1Q0DLABORATORIESUSUALLYADDSODIUMSULFATEANDOTHERSTRONGELECTROLYTESWHENTHEYAREELECTROLYZEDWATERTOPRODUCEHYDROGENANDOXYGEN,THEPURPOSEISTOINCREASETHECONDUCTIVITYOFTHESOLUTION13LETNABETHEVALUEOFTHEAVOGADEROCONSTANTTHEFOLLOWINGISTRUEABOUTTHESTATEMENTTHENUMBEROFANIONCONTAININGA1MOLSODIUMPEROXIDEINSOLID2NABUNDERTHESTANDARDCONDITION,THENUMBEROFCCLBONDIN112LCCL4CONTAININGTHE2NATHENUMBEROFELECTRONSCONTAININGHYDROXYLIONSINC17GNATHEREACTIONOFCONCENTRATEDSULFURICACIDANDCOPPERADEQUATEDWITH100ML184MOLL1OFMOLECULARSO2GENERATIONNUMBERIS092NA14ITISKNOWNTHATTHREEEXPERIMENTSCANOCCURINTHEFOLLOWINGCHEMICALREACTIONS123PUTTHENAILINTHESOLUTIONOFCOPPERSULFATEPOURAFEWDROPSOFCONCENTRATEDNITRICACIDINTOTHESOLUTIONOFFERROUSSULFATEPLACECOPPERWIREINFERRICCHLORIDESOLUTIONWHATFOLLOWSISTRUEAEXPERIMENT1THEIRONNAILWASONLYUSEDASREDUCINGAGENTBTHEABOVEEXPERIMENTSSHOWEDTHATFE2SHOWEDBOTHOXIDATIONANDREDUCTIONINCEXPERIMENT,SUBSTITUTIONREACTIONOCCURREDINDTHEABOVEEXPERIMENTSPROVEDOXIDATIONFE3,CU2,FE215UNDERNORMALTEMPERATURE,01MOLL1AMONOBASICACIDHASOLUTION1108,OFTHEFOLLOWINGSTATEMENTSISNOTTRUEABYTHEWATERIONIZEDBYTHEHYDROXYLIONCONCENTRATIONINTHESOLUTIONCOH1L1ATMOLB01MOLMOLL1L1HASOLUTIONAND01NAOHSOLUTIONAFTERMIXINGTHEOBTAINEDSOLUTIONCNACHCACOHC01MOLL1HASOLUTIONWITH01MOLL1NAOHSOLUTIONAFTERMIXINGTHESOLUTIONCACHACNAWHENTHECONCENTRATIONOFDISEQUALTO01MOL/L,THEMIXTUREOFHAANDNAASOLUTIONISMIXED,IFTHESOLUTIONISACIDIC,THENC,CHA,CNA,CH,COH16COMPOUNDARTEMETHERISINTERNATIONALLYRECOGNIZEDASANORIGINALDRUGINCHINA,ITISALANDMARKINTHEHISTORYOFMALARIA,AHIGHLYCONTAGIOUSDISEASE,MAINLYARTEMISININ,WITHTHESTRUCTUREONTHERIGHTTHEFOLLOWINGSTATEMENTABOUTARTEMISININISCORRECTTHECHEMICALFORMULAFORAARTEMISININISC16H20O5BUNDERCERTAINCONDITIONS,THEORGANICMATTERCANREACTWITHNAOHSOLUTIONCARTEMISININISSOLUBLEINWATERDBECAUSEARTEMISININCONTAINSPEROXYBONDSOO,UNDERCERTAINCONDITIONS,ITMAYHAVESTRONGOXIDATION17ACERTAINTEMPERATURE,INSEALEDCONTAINERVOLUMEIS1L,A,B,CTHREEGASCONCENTRATIONCHANGESASSHOWNINFIGUREI,IFTHEOTHERCONDITIONSARETHESAME,WHENTHETEMPERATUREWASTLANDT2,THERELATIONSHIPBETWEENTHEVOLUMEFRACTIONANDTHETIMEOFTHEBISSHOWNINFIGUREIITHEFOLLOWINGCONCLUSIONSARECORRECTTHEREACTIONATHERMOCHEMICALEQUATIONAG3BG2CGH0WHENTHEBREACHESEQUILIBRIUM,IFTHEOTHERCONDITIONSREMAINUNCHANGED,THENOBLEGASISPASSEDTHROUGHANDTHEEQUILIBRIUMMOVESTOWARDTHEPOSITIVEDIRECTIONWHENTHECREACHESEQUILIBRIUM,IFTHEOTHERCONDITIONSREMAINCONSTANT,THEVOLUMEDECREASESANDTHEEQUILIBRIUMMOVESTOWARDTHEPOSITIVEDIRECTIONDIFTHEOTHERCONDITIONSREMAINUNCHANGED,THETEMPERATUREINCREASES,THEPOSITIVEANDNEGATIVEREACTIONRATESINCREASE,ANDTHECONVERSIONRATEOFADECREASES18APIECEOFMAGNESIUMALLOYINTODILUTEHYDROCHLORICACID1MOLL1ACERTAINVOLUME,TOBECOMPLETELYDISSOLVEDINTOTHESOLUTIONALLOYDROPS1MOLLNAOH1SOLUTION,PRECIPITATIONAMOUNTOFSUBSTANCEANDADDINGNAOHSOLUTIONVOLUMEMLOFTHERELATIONSHIPINFIGURE,ISNOTCORRECTTHEFOLLOWINGSTATEMENTSATHEQUALITYOFTHEALUMINUMINTHEMAGNESIUMALUMINUMALLOYIS027GRAMS,ASDETERMINEDBYTHEDIAGRAMBWHENTHENAOHSOLUTION85MLISDROPPEDINTOTHE1MOLL1SOLUTION,THEPRECIPITATEISCOMPOSEDOFMGOH2ANDALOH3CTHEMAXIMUMVALUEOFTHEAMOUNTOFMGALMATERIALINTHEALLOYCANBEDETERMINEDBYTHEFIGUREOF25THERANGEOFDCANBEDETERMINEDBYTHEMAP0A50THESECONDPARTISTHENONCHOICEQUESTION87POINTSALTOGETHERTHREE,THISINCLUDES3ITEMS,ATOTALOF31POINTS199OFACHEMICALINTERESTGROUPWITHALUMINUM,IRON,COPPERALLOYSCRAPBYPUREALUMINUMCHLORIDESOLUTION,COPPERASCRYSTALSFESO47H2OANDVITRIOLCRYSTALSCUSO45H2O,PROGRAMSAREASFOLLOWSINTHISSCHEMEANUMBEROFFILTERINGANDWASHING,FILTERINGWHENNEEDEDINBEAKERANDGLASSINSTRUMENTTHEOBTAINEDCRYSTALSFROMTHEFILTRATEOFCMELANTERITEIS_H2O2ISAWIDELYUSEDGREENOXIDANT,ADDINGDILUTESULFURICACIDANDH2O2TOFILTERRESIDUEINDCANBEPREPAREDBYVITRIOLCRYSTALS,THECHEMICALEQUATIONOFTHEREACTIONTOTHETOTAL_FROMTHEFILTRATEBYWAYOFIANDAIICANGETALCL3SOLUTION,DOYOUTHINKISTHEMOSTREASONABLEFILLIN“I“OR“II“,THEREASONIS2011OFPUREPHENOLISACOLORLESSCRYSTALATROOMTEMPERATURE,THESOLUBILITYIS93G/100GINWATERWATER,WATERSOLUBLECOLORLESSSOLUTION,MOREPHENOLWHENMIXEDWITHWATEREMULSIONCANBEOBTAINEDWHENTHETEMPERATUREISABOVE70DEGREESCENTIGRADE,ITCANDISSOLVEWITHWATERAGROUPTHINKTHROUGHEXPERIMENTALRESEARCH,COMPARISONOFPHENOLANDCARBONATEACIDSTRENGTHANDACIDPHENOLANDHCO3STRENGTHAANDBTWOSTUDENTSMAKETHEFOLLOWINGASSUMPTIONSHYPOTHESISEXPERIMENTSCHEMEEMPIRICALCONCLUSIONACLASSMATEACIDICH2CO3C6H5OHTAKEASMALLAMOUNTOFPHENOLINTOTHETESTTUBE,ADDTOOMUCHNAOHSOLUTIONTOCLARIFYTHESOLUTION,COOLDOWNTOROOMTEMPERATURE,ANDTHENPASSINTOAPERIODOFTIMECO2,COOLTOROOMTEMPERATURE,OBSERVENOTURBIDITYNOTURBIDITYWASDETECTEDWHENCO2WASINSERTED,INDICATINGTHATCO2DIDNOTREACTWITHC6H5ONAANDASSUMEDERRORSTUDENTBACIDICC6H5OHHCO3SOLUTIONAWITHACERTAINAMOUNTOFPHENOLINTHEEMULSIONOFSOLIDNA2CO3,NA2CO3SOLIDDISSOLVEDPHENOLEMULSIONBECOMESCLEAR,NOBUBBLEFORMATIONPLACETHECOOLINGANDTHENOBSERVE,THEMIXTUREISSTILLCLARIFIEDSCHEMETWOADDACERTAINAMOUNTOFPHENOLINTHEEMULSIONOFNA2CO3SATURATEDSOLUTION,EMULSIONCLEANING,NOBUBBLEFORMATIONPROJECT1CONCLUSIONTHEHYPOTHESISISCORRECTSCHEMETWOCONCLUSIONTHEHYPOTHESISISCORRECTWHENDOYOUTHINKTHATASTUDENTSEXPERIMENTALCONCLUSION_FILLINTHE“RIGHT“OR“WRONG“ONEOFTHEPOSSIBLECAUSESOFTURBIDITYINTHEDESIGNOFCO2WASNOTASFOLLOWSTHESTUDENTSPLANBA,PLACEDCOOLING,ANDTHENOBSERVETHEREASONIS_THEBSTUDENTSPLANTWOISNOTRIGOROUS,PLEASEPOINTOUTTHEIMPERFECTASPECTSOF_THEH2CO3ANDC6H5OHACID,PLEASEPUTFORWARDTHEHYPOTHESISACCORDINGTOTHEDESIGNANDEXPERIMENTALVERIFICATIONOFYOURASSUMPTIONSSUGGESTAHYPOTHESISEXPERIMENTALSCHEMEANDPREDICTIONPHENOMENON122111POINTSANEXTRACURRICULARACTIVITYGROUPMEASUREDTHERELATIVEMOLECULARMASSOFACETYLENEBYREACTINGACETYLENEWITHANACIDKMNO4SOLUTIONTHEDIAGRAMBELOWISASCHEMATICDIAGRAMOFTHEMEASURINGDEVICEINTHEADEVICE,THECALCIUMCARBIDECAC2ANDTHEPREPARATIONOFACETYLENEREACTIONOFWATERSATURATEDSALTWATERC2H2,BCUSO4,H2SPH3,ISUSEDTOREMOVESOMEASH3REDUCINGGASSUCHASACETYLENEMIXEDINTHECHEMICALREACTIONEQUATIONOFC2H2ANDKMNO4PLEASETRIMACIDSOLUTIONFILLINTHELINEOFMEASUREMENTCOEFFICIENT_C2H2_KMNO4_H2SO4_K2SO4_MNSO4_CO2_H2OTHEDBEFORETHEEXPERIMENTCONTAINEDXMOLKMNO4TODINTHEEXPERIMENTOFACETYLENEINACERTAINAMOUNTUNTILKMNO4ACIDICSOLUTIONEXACTLYFADEAFTERTHEEXPERIMENTDEVICEOFDANDEOFTHETOTALMASSOFTOTALWEIGHTYG,PLEASEGOTHROUGHTHECALCULATEDMOLECULARWEIGHTMEASUREDBYTHEACETYLENEPLEASEUSEALGEBRAICTYPEWITHTHELETTERSX,Y_NOTWRITTENCALCULATIONIFTHEEXPERIMENTPRINCIPLEOFTHEGROUPANDALLTHEOPERATIONISCORRECT,THEFOLLOWINGFACTORS,THEMEASUREDVALUEOFTHERELATIVEMOLECULARMASSOFACETYLENEDOESNOTAFFECTTHE_ISTHEADIRECTLYPASSESTHROUGHTHEMIXTUREGASPRODUCEDINTHEDEVICEAINTOTHEACIDICKMNO4SOLUTIONINTHEDBEDEVICECONTAININGADRYINGTUBEALKALILIMEFORTHEWASHINGBOTTLEFILLEDWITHSULPHURICACIDCPASSESTHROUGHANEXCESSIVEAMOUNTOFPUREACETYLENEGASINACIDICKMNO4SOLUTION,SOMEOFTHEACETYLENEISNOTOXIDIZEDANDESCAPESTHEOTHERGROUPOFSTUDENTSTHATTHEEXPERIMENTALDEVICEISSTILLINSUFFICIENT,PLEASEEXPLAINTHEIMPROVEMENTMEASURESWITHBRIEFWORDSFOUR,THISINCLUDES3ITEMS,ATOTALOF36POINTS2211ETHANOLDEHYDRATEATDIFFERENTTEMPERATURESANDYIELDDIFFERENTPRODUCTSTHEFOLLOWINGTABLEANDTHEFOLLOWINGFIGUREARETHEDATAANDGRAPHSOBTAINEDBYDEHYDRATIONEXPERIMENTSATTHESAMETEMPERATUREWITHTHESAMEAMOUNTOFETHANOLATATMOSPHERICPRESSUREANDWHENACATALYSTEXISTSEACHEXPERIMENTHASTHESAMEREACTIONTIMETEMPERATUREDEGCETHANOLCONVERSIONRATEORGANICPRODUCTCONTENTVOLUMEFRACTIONETHYLENEETHERONEHUNDREDANDTWENTYFIVETWENTYEIGHTPOINTSEVENNINETYPOINTTWOONEHUNDREDANDFIFTYSIXTYEIGHTSIXTEENPOINTSEVENEIGHTYTWOTWOONEHUNDREDANDSEVENTYFIVEEIGHTYEIGHTTHIRTYTWOPOINTTHREESIXTYSIXPOINTEIGHTTWOHUNDREDNINETYEIGHTYSIXPOINTNINETWELVEPOINTONETHEBOILINGPOINTOFETHANOLANDETHYLETHERCH3CH2OCH2CH3IS784AND345DEGC,RESPECTIVELYTHEDEHYDRATIONOFETHANOLTOETHYLENEREACTIONIS_FILLIN“HEAT“AND“ENDOTHERMICREACTION“ITISKNOWN150DEGREES,1MOLETHANOLDEHYDRATIONTRANSITIONVALUESFORCHANGEINHEAT1MOLETHYLENEIS46KJ,THENTHEREACTIONTHERMOCHEMICALEQUATIONFOR_THEEQUILIBRIUMCONSTANTEXPRESSIONSFORDEHYDRATIONOFETHANOLETHERREACTIONFOR_WHENTHEINITIALCONCENTRATIONOFETHANOLISTHESAME,THEGREATERTHEEQUILIBRIUMCONSTANT,THEGREATERTHEKVALUETHEHIGHERTHECONVERSIONRATEOFAETHANOLIS,THEFASTERTHERATEOFBCHEMICALREACTIONISWHENCREACHESEQUILIBRIUM,THEGREATERTHECONCENTRATIONOFETHANOL,THEMORECOMPLETETHEDREACTIONPROCEEDSACCORDINGTOTHEANALYSISOFTHEDATAINTHETABLE,THEYIELDOF_150DEGCETHANOLCATALYTICDEHYDRATIONOFETHYLETHEROPTIONAL“GREATERTHAN“,“LESSTHAN“,“EQUALTO“FROM125DEGREESOFETHERPRODUCTIONINORDERTOGETFASTERANDMOREPRODUCTSOFETHYLETHER,ETHANOLETHERREACTIONTEMPERATUREREGIONISSUITABLE_2314MINUTESAREAGENTPLANTUSESSILVERCONTAININGIMPURITYCOPPERANDNITRICACIDCONTAININGFE3TOREACTTOSILVERNITRATETHEPROCEDUREISASFOLLOWSTHEINDUSTRYGENERALLYUSEDSILVERNITRATEANDREACTIONMEDIUMCONCENTRATIONTOTHEPREPARATIONOFSILVERNITRATEPLEASEFILLINTHEBLANKSINTHEFOLLOWINGTABLEADVANTAGESHORTCOMINGUSECONCENTRATEDNITRICACIDTHEREACTIONRATEISFASTTHEACIDCONSUMPTIONISLARGE,ANDTHEAMOUNTOFNOXISMOREUSEDILUTENITRICACIDTHEHEATINGEFFECTISBSTEPSAACCELERATESTHEREACTIONRATEANDBFAVORSTHEVOLATILIZATIONOFUNREACTEDNITRICACIDCISADVANTAGEOUSTOTHEFULLREACTIONOFNITRICACIDANDREDUCESTHECONCENTRATIONOFHINTHESOLUTIONTHECSTEPISTOREMOVETHEFE3,CU2ANDOTHERIMPURITIES,DILUTEDWHENTHECAUSESOFPRECIPITATIONISTHEAMOUNTOFWATERINTHESTEPCSHOULDBEMODERATE,IFTOOMUCHWATER,CAUSEADVERSEEFFECTSONTHESUBSEQUENTSTEPSARETHESTEPSOFEOPERATIONITWASINSILVERNITRATECONTAININGASMALLAMOUNTOFCOPPERNITRATE,COPPERNITRATEREMOVALMETHODISUSUALLYADDNEWMADEINSTEPAG2OBEFOREE,CU2INTOCUOH2PRECIPITATIONREACTIONAFTERFILTRATIONTOREMOVETHECHEMICALEQUATIONOFTHEREACTIONIS2411POINTCALCIUMHYDROXIDEISANIMPORTANTCHEMICALANDBUILDINGMATERIALITSSOLUBILITYINWATERISLIMITEDA,BANDBTWOSTUDENTSHAVEUSEDDIFFERENTMETHODSTODETERMINETHESOLUBILITYPRODUCTOFCAOH2ATACERTAINTEMPERATURETHESCHEMEISASFOLLOWSACERTAINTEMPERATURE,ACLASSMATEOF200GCAOH2200MLINDISTILLEDWATER,STIRRING,SATURATED,WITHWEIGHINGFILTERPAPERMASS1000GFILTRATION,PRECIPITATIONANDDRYINGAFTERWASHINGWITHASMALLAMOUNTOFACETONE,CALLEDCAOH2PRECIPITATIONANDFILTERATOTALWEIGHTOF2778GACETONEISEASYTOVOLATILIZE,ANDITSPURPOSEISTORINSEITWITHACETONEBYTHISMETHOD,THEKSPVALUEOFCALCIUMHYDROXIDECANBECALCULATEDATTHISTEMPERATUREWHENTHEEXPERIMENTWASDONEATDIFFERENTTEMPERATURES,ITWASFOUNDTHATTHEHIGHERTHETEMPERATURE,THEGREATERTHEKSPVALUEOFCAOH2THERESULTSOFABTHATTHEERRORISLARGE,HEUSEDNEUTRALIZATIONTITRATIONMETHODINTEMPERATUREDETERMINATIONOFSATURATEDCAOHCALCULATIONOFCA2SOLUTIONOHCONCENTRATIONOHAND2OFTHESOLUBILITYPRODUCT,EXPERIMENTSAREASFOLLOWSTOMEASURECASATURATIONTEMPERATUREOH2SOLUTION2500MLINCONICALFLASK,ADD3DROPSOFMETHYLORANGE,THETITRATIONEXPERIMENTWASPERFORMEDWITH004MOLL1HCLSTANDARDSOLUTION,WHENTHESOLUTIONWASCHANGEDFROMYELLOWTOORANGECOLORANDHALFAMINUTE,RECORDTHREEEXPERIMENTSCONSUMEDHCLSTANDARDSOLUTIONVOLUMETHEEXPERIMENTALDATAARELISTEDINTHEFOLLOWINGTABLECOST0VOLUMEOF04MOL/LHCLMLTHREEEXPERIMENTSSEVENTEENPOINTEIGHTEIGHTEIGHTEENEIGHTEENPOINTONETWOPLEASECALCULATETHEVALUEOFKSPFORCAOH2INTHESATURATEDCAOH2SOLUTIONATTHISTEMPERATUREWRITETHECALCULATIONPROCESSFIVE,THISINCLUDES1ITEMS,ATOTALOF10POINTS2510POINTSPETISTHELARGESTSYNTHETICFIBERINTHEWORLDITSSTRUCTUREISSIMPLETHEPROCESSOFDESIGNINGANDSYNTHESIZINGPETFROMPETROLEUMPRODUCTS,PXYLENEANDTHESIMPLESTALKENE,D,ISASFOLLOWSSOMEINORGANICREACTANTSANDPRODUCTSARENOTREPRESENTEDINTHEREACTIONTHELIGHT,THECHEMICALRESPONSENEEDEDFOR_REACTANTINNAOHAQUEOUSSOLUTIONANDHEATINGCHEMICALEQUATIONFORTHEREACTION_THETYPEOFREACTIONTHEREACTIONBELONGSTO_THECHEMICALFORMULAFORTHEREACTION_THEAHASAVARIETYOFISOMERS,INCLUDINGASIMPLESTRUCTURESATISFIESTHEFOLLOWINGCONDITIONSXISOMERSFOR_1THEREISONLYONEMETHYLINTHESTRUCTUREOFXINX,THEFECL3SOLUTIONISPURPLEANDTHERATIOOFTHEAMOUNTOFNAANDNAOHCONSUMEDBYMOLXANDNIS1NANNAOH21,WHENANDNAOHAREREACTEDWITHSUFFICIENTSODIUMANDSODIUMSOLUTIONRESPECTIVELYTHEINDUSTRYFROMDTOETOCOMPLETEBYTWOSTEPREACTIONTOSOMEONEFROMUSINGATOM100CONSIDERINGRATE,PUTFORWARDBYTHEDIRECTSYNTHESISOFEDANDSOMEINORGANICREACTIONSTEP,THEINORGANICMATERIALSCANBE_FILLCHEMICALTYPESIX,THISINCLUDES2ITEMS,10POINTSFOREACHQUESTION,BUTYOUCANONLYBEAQUESTIONOFTHEM2610OFSOMEORGANICCOMPOUNDSAANDAISOMERS,THEDETERMINATIONOFTHEIRRELATIVEMOLECULARWEIGHTLESSTHAN1001MOLINO2AFULLCOMBUSTIONOFSUBSTANCESSUCHASTHEAMOUNTOFCO2ANDH2OG,ANDTHECONSUMPTIONOF112LO2STANDARDCONDITIONSUNDERACIDICCONDITIONS,1MOLACOMPLETEHYDROLYSISCANGENERATE1MOLBANDC1MOLANDUNDERCERTAINCONDITIONS,CANBECONTINUOUSLYOXIDIZEDINTOETHYLENEPROPYLENEPLEASECONFIRMANDWRITEAFORMULAISOMERANDACOMMONSPECIESBELONGTOTHESAMEMATERIALBAOHANJIATHEDETERMINATIONBYIR,THESTRUCTUREOFAA