STRAIGHTER LINE CHEM101 FINAL QUESTIONS WITH CORRECT ANSWERS

STRAIGHTER LINE CHEM101 FINAL QUESTIONS
WITH CORRECT ANSWERS
MassBNumberB-BCORRECTBANSWERB-
totalBnumberBofBneutronsBandBprotonsBinBanBatom;B#BprotonsB+B#Belectrons



pB-BCORRECTBANSWERB-
MostBnonmetallicBelementsBareBfoundBinBwhichBblockBofBtheBperiodicBtable?



PositiveBmatterBisBconcentratedBinBtheBcentralBcoreB-BCORRECTBANSWERB-
ErnestBRutherfordBdisprovedBJ.J.BThomson'sBplum-puddingBmodelBofBtheBatomBbyBshowingBthat...



PotassiumB-BCORRECTBANSWERB-
PlantsBuseBupBcopiousBamountsBofBwhichBalkaliBmetal,BpreventingBmostBofBitBfromBbeingBwashedBo
utBtoBsea?



2:1:1:2B-BCORRECTBANSWERB-
WhatBisBtheBratioBofBreactantsBandBproductsBinBtheBchemicalBequation?



__NaOHB+B__H2SO4B-->B__Na2SO4B+B__H2O



theBnumberBofBATOMSBinB12gBofBCarbon-12

1BgB=B6.022B×B1023BamuB-BCORRECTBANSWERB-WhatBisBAvogadro'sBnumber?



MgB-BCORRECTBANSWERB-WhatBisBtheBreducingBagentBinBtheBfollowingBequation?



Mg(s)B+B2HCl(aq)B->BMgCl2(aq)B+BH2(g)

,(s)B<B(l)B<B(g)B-BCORRECTBANSWERB-
WhichBarrangementBaccuratelyBdescribesBtheBstandardBentropyBvaluesBatBdifferentBphases?



2,B8,B20,B50,B82BorB126BprotonsB-BCORRECTBANSWERB-WhatBareBtheBmostBstableBisotopes?



SB=Boxidized

NB=BreducedB-BCORRECTBANSWERB-
WhatBelementBhasBbeenBoxidizedBandBwhatBelementBhasBbeenBreduced?



3CuSB+B8HNO3B-->B3CuSO4B+B8NOB+B4H2O



multiplyBtheBatomicBmassB(grams)BbyBtheBnumberBofBmolesB-BCORRECTBANSWERB-
HowBdoByouBconvertBfromBmolesBtoBgrams?



DivideBtheBtotalBnumberBofBgramsBbyBtheBatomicBmassB(grams)BofB1BmoleB-BCORRECTBANSWERB-
HowBdoByouBconvertBfromBgramsBtoBmoles?



MassB-BCORRECTBANSWERB-measureBofBtheBamountBofBmatter



CompoundB-BCORRECTBANSWERB-
madeBfromBatomsBofB2+BelementsBthatBareBchemicallyBbonded;BcannotBbeBseparatedBintoBsimplerB
substancesBbyBanyBphysicalBprocess;BcanBbeBseparatedBbyBaBchemicalBreaction



SolidB-BCORRECTBANSWERB-DefiniteBshapeBandBvolume

Doesn'tBconformBtoBshapeBofBcontainer

ParticlesBareBveryBcloseBtogetherBinBorderlyBfashionBwithBlittleBfreedomBofBmotion



LiquidB-BCORRECTBANSWERB-DefiniteBvolume,BindefiniteBshape

,ConformsBtoBshapeBofBtheBpartBofBtheBcontainerBitBfills

ParticlesBareBcloseBtogetherBbutBnotBrigidlyBinBpositionBwithBfreedomBtoBmoveBpastBeachBother



GasB-BCORRECTBANSWERB-NoBdefiniteBshapeBorBvolume

ConformsBtoBshapeBandBvolumeBofBcontainer

ParticlesBseparatedBbyBdistancesBveryBlargeBcomparedBtoBsizeBofBparticles



PhysicalBPropertyB-BCORRECTBANSWERB-Color,BmeltingBpoint,BboilingBpoint

ObservedBandBmeasuredBwithoutBchangingBidentityBofBsubstance



ChemicalBPropertyB-BCORRECTBANSWERB-ObservedBbyBperformingBaBchemicalBchange



MixtureB-BCORRECTBANSWERB-
CombinationBofB2+Belements,BeachBretainsBitsBidentityBandBproperties

CanBbeBseparatedBbyBphysicalBmeansBintoBpureBcomponentsBwithoutBchangingBidentityBofBcompo
unds



PureBSubstanceB-BCORRECTBANSWERB-
fixedBcompositionBandBdiffersBfromBaBmixtureB(everyBsampleBhasBsameBpropertiesBandBcompositio
n)



PolyatomicBIonB-BCORRECTBANSWERB-moleculeBwithBaBcharge

containBmoreBthanB1BatomBchemicallyBbondedBtogether



ionsB-BCORRECTBANSWERB-atomsBwithBchargeBformedBbyBlossBorBgainBofBanBelectron



CationB-BCORRECTBANSWERB-positiveBion,BmayBhaveBromanBnumeral

, AnionB-BCORRECTBANSWERB-negativeBion,BelementBendsBinB-ide



isotopeB-BCORRECTBANSWERB-
atomBofBanBelementBthatBhasBaBdifferentBmassBbecauseBofBaBdifferentBnumberBofBneutrons,BbutBsa
meBatomicBnumber



AtomicBNumberB-BCORRECTBANSWERB-
totalBnumberBofBprotonsBinBanBatom;BalsoBindicatesBnumberBofBelectrons



CatalystB-BCORRECTBANSWERB-
additionalBreactantBthatBincreasesBtheBrateBofBaBreactionBwithBaBlowerBactivationBenergy



SurfaceBarea

Concentration

Temperature

CatalystB-BCORRECTBANSWERB-WhatB4BfactorsBimpactBtheBrateBofBaBreaction?



exothermicBreactionB-BCORRECTBANSWERB-ABreactionBthatBRELEASESBenergyBinBtheBformBofBheat



endothermicBreactionB-BCORRECTBANSWERB-ABreactionBthatBABSORBSBenergyBinBtheBformBofBheat



6.022BxB10^23BparticlesB-BCORRECTBANSWERB-
HowBmanyBparticles/atoms/moleculesBareBinBaBmole?



AmountBofBareaBexposedBforBtheBreactionBofBaBsolidB-BCORRECTBANSWERB-
SurfaceBareaBimpactsBrateBofBreactionBhow?