2020年智慧樹知道網(wǎng)課《BasicChemistry基礎(chǔ)化學(xué)》課后章節(jié)測試滿分答案

1、第一章測試1【單選題】 （0.5 分 ）Solidshaveashapeandarenotappreciablysharp,convertibleB.indefinite,compressibleC.indefinite,incompressibleD. definite,incompressibleE. definite,compressible2【單選題】 （0.5 分 ）ThesymbolfortheelementpotassiumisA.KB.PtE.3【單選題】 （0.5 分 ）TheSIunitformassisA. troyounceB. poundC. kilogramD.gr

2、aminkelvins.4 【單選題】 （0.5 分 ） Thetemperatureof25 C°isA.166B.C.103D.E.1385【單選題】 （0.5 分 ）Thedensityofsilveris10.5g/cmcm3.3.Apieceofsilverwithamassof61.3gwouldoccupyavolumeof5.840.0015510.5單選題】 （0.5 分 ）ThecorrectresultofthemolecularmasscalculationforH2SO4is.4 ×15.9994+32.066+2×1.0079A.98.

3、08B.98.84C.98.07498.07998.8387【單選題】 (0.5 分 )Therearesignificantfiguresintheanswertothefollowingcomputation:(29.2-20.0)(1.79 ×105)/1.39A.4B.3單選題】 （0.5 分 ）Ofthefollowing,isthesmallestmass.A.2.5 ×109fgB.2.5 ×1010ngC.2.5 ×10-2mgD.2.5 ×1015pgE.25kg9單選題】 （0.5 分 ）Accuracyreferstoho

4、wcloseameasurednumberistoinfinityB.howcloseameasurednumberistozerohowcloseameasurednumberistoothermeasurednumbershowcloseameasurednumberistothecalculatedvaluehowcloseameasurednumberistothetruevalue10【單選題】 （0.5 分 ）Inwhichoneofthefollowingnumbersareallofthezerossignificant?A.0.14329B.100.09009C.0.0030

5、02D.0.1E.0.05843第二章測試1【單選題】 （0.5 分 ）Acertainmassofcarbonreactswith13.6gofoxygentoformcarbonmonoxide.gramsofoxygenwouldreactwiththatsamemassofcarbontoformcarbondioxide,accordingtoth elawofmultipleproportions?A.13.6B.C.27.2D.1366.82【單選題】 （0.5 分 ）Whichstatementbelowcorrectlydescribestheresponsesofalpha

6、,beta,andgammaradiatio ntoanelectricfield?A.Onlyalphaisdeflected,whilebetaandgammashownoresponseB.Alphaandbetaaredeflectedinoppositedirections,whilegammashowsnoresponseC.Bothbetaandgammaaredeflectedinthesamedirection,whilealphashowsnoresponseD.Bothalphaandgammaaredeflectedinthesamedirection,whilebet

7、ashowsnoresponseBothalphaandbetaaredeflectedinthesamedirection,whilegammashowsnoresponse3【單選題】 （0.5 分 ）andresideintheatomicnucleus.A.noneoftheaboveB.Neutrons,onlyneutronsElectrons,neutronsD.Protons,electronsProtons,neutrons單選題】 （0.5 分 ）Whichoneofthefollowingisnottrueconcerningcathoderays?Theytraveli

8、nstraightlinesintheabsenceofelectricormagneticfieldsThecharacteristicsofcathoderaysdependonthematerialfromwhichtheyareemittedTheyaremadeupofelectronsTheyoriginatefromthenegativeelectrodeTheyimpartanegativechargetometalsexposedtothem【單選題】 (0.5 分 )ThechargeonanelectronwasdeterminedintheA.Daltonatomict

9、heoryB.MillikanoildropexperimentC.Rutherfordgoldfoilexperimentatomictheoryofmattercathoderaytube,byJ.J.Thompson單選題】 （0.5 分 ）IntheRutherfordnuclear-atommodel,A.massisspreadessentiallyuniformlythroughouttheatomB.thelightsubatomicparticles,protonsandneutrons,resideinthenucleusC.theheavysubatomicparticl

10、es,protonsandneutrons,resideinthenucleus thethreeprincipalsubatomicparticles(protons,neutrons,andelectrons)allhaveessentiallythesamemass thethreeprincipalsubatomicparticles(protons,neutrons,andelectrons)allhaveessentiallythesamemassand massisspreadessentiallyuniformlythroughouttheatom7【單選題】 （0.5 分 ）

11、AllatomsofagivenelementhavethesameA.densityB.numberofneutronsC.numberofprotonsnumberofelectronsandneutronsmass8【單選題】 （0.5 分 ）Anatomofthemostcommonisotopeofgold, utrons,andelectrons.197 Au,hasprotons,ne118,79,39B.79,118,118D.197,79,118E.79,118,79單選題】 （0.5 分 ）Whichcombinationofprotons,neutrons,andelec

12、tronsiscorrectfortheisotopecopper-63,?34p+,34n ° ,29eB.29p+,29n ° ,63e-C.34p+,29n ° ,34e-D.29p+,34n ° ,29e-E.63p+,29n ° ,63e-10單選題】 （0.5 分 ）IsotopesareatomsthathavethesamenumberofbutdifferingnumberofA. electrons,protonsB.neutrons,protonsC.protons,neutronsneutrons,electronspr

13、otons,electrons第三章測試1【單選題】 （0.5 分 ）iscreditedwithdevelopingtheconceptofatomicnumbers.DmitriMendeleevLotharMeyerMichaelFaradayHenryMoseleyErnestRutherford單選題】 （0.5 分 ）ElementsinthemodernversionoftheperiodictablearearrangedinorderofincreasingA.averageatomicmassnumberofisotopesatomicmassatomicnumberoxi

14、dationnumber單選題】 （0.5 分 ）Thefirstionizationenergiesoftheelementsasyougofromlefttorightacrossaperiodoftheperiodictable,andasyougofromthebottomtothetopofagroupinthetable.increase,increaseB.decrease,increasedecrease,decreaseincrease,decreaseE.arecompletelyunpredictable【單選題】 (0.5 分 )Ingeneral,asyougoacr

15、ossaperiodintheperiodictablefromlefttoright:(1)theatomicradius_;(2)theelectronaffinitybecomesnegative;and(3)thefirstionizatione nergy.increases,increasingly,increasesB. increases,increasingly,decreasesC. decreases,decreasingly,increasesD. decreases,increasingly,increasesE.decreases,increasingly,decr

16、eases【單選題】 (0.5 分 )Whichofthefollowingtraitscharacterizesthealkalimetals?A.formationofdianionsB.thesmallestatomicradiusinaperiodC.thelowestfirstionizationenergiesinaperiodD.existenceasdiatomicmoleculesveryhighmeltingpoint單選題】 （0.5 分 ）Oxidesoftheactivemetalscombinewithwatertoformmetalhydridesoxygenga

17、sC.hydrogengaswaterandasaltmetalhydroxides7【單選題】 (0.5 分 )Analkalineearthmetalformsacompoundwithoxygenwiththeformula.(ThesymbolMrepresentsanyoneofthealkalineearthmetals.)A.M2O2B.M2OMOD.MO2MO38【單選題】 （0.5 分 ）Whichnon-metalexistsasadiatomicsolid?phosphorusantimonybromineboroniodine【單選題】 (0.5 分 )26Theonl

18、ynoblegasthatdoesnothavethens2 np 6valenceelectronconfigurationisA.neonB.kryptonC.Allnoblegaseshavethens 2np 6 valenceelectronconfigurationheliumradon10單選題】 （0.5 分 ）WhatistheoxidationnumberofchromiuminCr(NH3)4Cl2Cl?0-2E.第四章測試1【單選題】 （0.5 分 ）unpairedelectronsintheLewissymbolforaphTherearepairedandosph

19、orusatom.A.2,4B.0,3C.2,3D.4,24,32單選題】 （0.5 分 ）ThereareunpairedelectronsintheLewissymbolforanoxygenatom.A.4C.123【單選題】 (0.5 分 )3-)isTheelectronconfigurationofthephosphideion(PA.Ne3s 23p6B.Ne3p 2C.Ne3s 23p3D.Ne3s 23p1E.Ne3s 2單選題】 （0.5 分 ）Elementsfromoppositesidesoftheperiodictabletendtoformcovalentcomp

20、oundsB.ioniccompoundsC.covalentcompoundsthataregaseousatroomtemperatureD.homonucleardiatomiccompoundsE.compoundsthataregaseousatroomtemperature單選題】 （0.5 分 ）DetermininglatticeenergyfromBorn-HabercycledatarequirestheuseofAvogadro'snumberCoulomb'slawPeriodiclawtheoctetruleHess'slaw單選題】 （0.5

21、 分 ）Howmanyhydrogenatomsmustbondtosilicontogiveitanoctetofvalenceelectrons?4單選題】 （0.5 分 ）Inthemoleculebelow,whichatomhasthelargestpartialnegativechargeIClE.Br8【單選題】 (0.5 分 )Electronegativityfromlefttorightwithinaperiodandfromtoptobottomwithinagroup.A.increases,staysthesameB.increases,decreasesC.stay

22、sthesame,increasesD.increases,increasesE.decreases,increases單選題】 （0.5 分 ）TheLewisstructureofAsH3showsnonbondingelectronpair(s)onAs.Thiscannotbedeterminedfromthedatagiven.3D.E.10【單選題】 （0.5 分 ）TheformalchargeoncarboninthemoleculebelowisA.2B.3-1第五章測試1 【單選題】 （0.5 分 ） ThecorrectnameforK 2SisA. dipotassiu

23、msulfateB. potassiumsulfateC. potassiumdisulfideD. potassiumbisulfideE. potassiumsulfide2【單選題】 （0.5 分 ）2SO3isThecorrectnameforHA.sulfurhydroxidehydrosulfuricacidhydrosulficacidsulfuricacidsulfurousacid【單選題】 (0.5 分 )ThecorrectnameofthecompoundNa3NisA. sodiumtrinitrideB. sodiumnitrideC.trisodiumnitrid

24、esodiumazidesodium(IX)nitride單選題】 （0.5 分 ）TheionsCa 2+ andPO 43- formasaltwiththeformulaCa(PO 4)2B.Ca 3(PO 4)2C.CaPO 4D.Ca 2PO4E.Ca 2(PO 4)35【單選題】 （0.5 分 ）ElementMreactswithfluorinetoformanioniccompoundwiththeformulaMF3.TheM-ionhas1 8electrons.ElementMis.A.ArB.CaC.PD.ScE.Cr6【單選題】 （0.5 分 ）Theconjugat

25、ebaseofHSO 4-isA.HSO4+H2SO 4H3SO 4D.OH-E.SO42-7Ci°nwhichH +is0.00250 M?【單選題】 (0.5 分 )WhatisthepHofanaqueoussolutionat25.0A.3.4B.2.6C.-3.4D.2.25E.-2.6CwithpH°=4.282?單選題】 （0.5 分 ）Whatistheconcentration(inM)ofhydroniumionsinasolutionat25.0A.5.22 ×10-5C.1.66 ×104D.4.28E.9.719【單選題】 （0

26、.5 分 ）WhatisthepHofa0.0150 M aqueoussolutionofbariumhydroxide?A.2E.12.5第六章測試單選題】 （0.5 分 ）.NH3(g)+O2(g)Whenthefollowingequationisbalanced,thecoefficientsareNO2(g)+H2O(g)2,3,2,3B.1,3,1,2C.4,3,4,31,1,1,14,7,4,62A【單選題】 （0.5 分 ）Whenthefollowingequationisbalanced,thecoefficientofAlis.Al(s)+H2O(

27、l)l(OH)3(s)+H2(g)521E.3【單選題】 (0.5 分 )2is.C2H4O(g)+O2Whenthefollowingequationisbalanced,thecoefficientofO(g) CO2(g)+H2O(g)A.21單選題】 （0.5 分 ）3CH(l)isburnedinWritethebalancedequationforthereactionthatoccurswhenmethanol,CH air.Whatisthecoefficientofmethanolinthebalancedequation?A.B.C.D.1.5E.35【單選題】 (0.5

28、分 )ThebalancedequationforthedecompositionofsodiumazideisA.2NaN 3(s) 2Na(s)+3N2(g)B.NaN 3(s) Na(s)+N2 (g)+N(g)C.NaN 3(s) Na(s)+N2(g)D.2NaN 3(s) 2Na(s)+2N2(g)E.2NaN 3(s) Na2(s)+3N2(g)6【單選題】 (0.5 分 )Thesolubilityofmanganese(II)hydroxide(Mn(OH)2)is2.2 1×0 -5 M.WhatistheK sp ofMn(OH) 2?A.4.3 ×1

29、0-14B.4.8 ×10-10C.1.1 ×10-14D.2.1 ×10-14E.2.2 ×10-5【單選題】 （0.5 分 ）Whatistheempiricalformulaofacompoundthatcontains49.4%K,20.3%S,and30.3%Obym ass?A.KSO2B.K2SO4C.K2SO3D.KSO4E.KSO3單選題】 （0.5 分 ）Acompoundcontains40.0%C,6.71%H,and53.29%Obymass.Themolecularweightofthecompoundis60.05amu.T

30、hemolecularformulaofthiscompoundis.C2H3O4B.C2H4O2C.C2H2O4D.CHO2CH2O單選題】 （0.5 分 ）Magnesiumandnitrogenreactinacombinationreactiontoproducemagnesiumnitride:3Mg+N2 Mg3N2Inaparticularexperiment,a9.27gsampleofN2reactscompletely.ThemassofM gconsumedisg.16.1B.0.92C.13.9D.8.04E.10 BaCrO4+2KCl(b)P單選題】 （0.5 分

31、）Whichofthefollowingreactionsisaredoxreaction?(a)K2CrO4+BaCl2b22+2Br- PbBr(c)Cu+S CuSA.(c)only(a)onlyC.(b)only(a)and(c)(b)and(c)第七章測試1 【單選題】 (0.5 分 )Agasatapressureof10.0PaexertsaforceofNonanareaof5.5mA.55B.1.8D.5.5E.18單選題】 （0.5 分 ）Agasvesselisattachedtoanopen-endmanometercontaininganon-volatileliqu

32、idofdensity0.791g/mLasshownbelow.Thedifferenceinheightsoftheis755mmHg.Giventhatthedensityof mercuryis13.6g/mL,thepressureoftheenclosedgasisatm.liquidinthetwosidesofthemanometeris43.4cmwhentheatmosphericpressure0.960.9930.9871.030.99單選題】 （0.5 分 ）Asampleofagas(5.0mol)at1.0atmisexpandedatconstanttemper

33、aturefrom10Lto15L.Thefinalpressureisatm.A.7.5B.3.3C.1.5D.0.67E.15單選題】 （0.5 分 ）AsampleofH 2gas(12.28g)occupies100.0Lat400.0Kand2.00atm.Asampleweighing9.49goccupiesLat353Kand2.00atm.A.147B.68.2C.54.7D.1095Ccon°tainsmolofgas.【單選題】 （0.5 分 ）A0.325Lflaskfilledwithgasat0.914atmand19A.1.24 ×10-212

34、.4C.1.48 ×10-2D.80.79.426【單選題】 （0.5 分 ）Asampleofgas（1.3mol）occupiesLat22C°and2.5atm.A.0.9431D.0.079E.137【單選題】 （0.5 分 ）AflaskcontainsamixtureofHeandNeatatotalpressureof2.6atm.Thereare2.0molofHeand5. 0molofNeintheflask.ThepartialpressureofHeisatm.A.9.1B.1.04C.0.74D.6.5E.1.868°Cism/s.【單選

35、題】 （0.5 分 ）Theroot-mean-squarespeedofCOat113A.B.586C.99331.59【單選題】 (0.5 分 )AsampleofN 2gas(2.0mmol)effusedthroughapinholein5.5s.Itwilltake ameamountofCH 4toeffuseunderthesameconditions.A.7.3B.9.6C.4.2D.sforthes5.53.110【單選題】 （0.5 分 ）UsingthevanderWaalsequation,thepressureina22.4Lvesselcontaining1.00m

36、olofneongasat100 °Cisatm.( a =0.211L 2atm/mol 2,b=0.0171L/mol)A.1.37B.0.3670.73D.1.21E.1第八章測試1【單選題】 （0.5 分 ）Asolutionispreparedbydissolving15.0gofNHutionis0.974g/mL.ThemolefractionofNHA.3in250gofwater.Thedensityoftheresultingsol3inthesolutionis.0.9220.940.0597D.16.8E.0.0642【單選題】 (0.5 分 )Thevapo

37、rpressureofpurewaterat25C°is23.8torr.Determinethevaporpressure(torr)ofwaterat25 °Caboveasolutionpreparedbydissolving35gofurea(anon-volatile,non-electrolyte, MW=60.0g/mol)in75gofwater.A.0.882.93.327E.3【單選題】 (0.5 分 )Thefreezingpointofethanol(C2H5OH)is-114.6 °C.Themolalfreezingpointdepressionconstantforethanolis2.00C/m°.Whatisthefreezingpoint(C)o°fasolutionpreparedbydissolving50.0gofglycerine(C 3H8O3anonelectrolyte)in200gofethanol?-5.42B.-132.3C.-115-114.64【單選題】 (0.5 分 )Asolutionispreparedbydissolving6.00gofanunknownno