CHEM 101 - EXAM #1 STUDY GUIDE (CH.
1-3) QUESTIONS WITH CORRECT
ANSWERS
chemistryB-BCORRECTBANSWERB-theBstudyBofBmatterBandBtheBchangesBitBundergoes
scientificBmethodB-BCORRECTBANSWERB-aBsystematicBapproachBtoBresearch
qualitativeBdataB-BCORRECTBANSWERB-generalBobservations
quantitativeBdataB-BCORRECTBANSWERB-comprisingBofBnumbersBobtainedBbyBmeasurement
hypothesisB-BCORRECTBANSWERB-aBtentativeBexplanationBforBaBsetBofBobservations
lawB-BCORRECTBANSWERB-aBmathematicalBrelationshipBthatBisBconsistentlyBfoundBtoBbeBtrue
theoryB-BCORRECTBANSWERB-
aBgeneralBprincipleBorBbodyBofBprinciplesBthatBhasBbeenBdevelopedBtoBexplainBaBwideBvarietyBofBph
enomenaB(thisBisBNOTBaBwildBguess)
twoBmajorBgoalsBofBscienceB-BCORRECTBANSWERB-predictionBandBcontrol
twoB"better"BgoalsBofBscienceB-BCORRECTBANSWERB-understandingBandBexplanation
fourBbasicBrulesBofBgoodBscienceB-BCORRECTBANSWERB-1.BresultsBshouldBbeBreproducibleBbyBothers
2.BdetailedBresearchBresultsBshouldBbeBreviewable
,3.BconclusionsBshouldBbeBreasonableBandBunbiased
4.B"giveBcreditBwhenBcreditBisBdue"
physicsB-BCORRECTBANSWERB-chemistryBinBmotion
biologyB-BCORRECTBANSWERB-chemistryBinBaBcell
engineeringB-BCORRECTBANSWERB-chemistryBinBapplication
matterB-BCORRECTBANSWERB-anythingBthatBoccupiesBvolumeBandBhasBmass
matterBisBgovernedBby...B-BCORRECTBANSWERB-compositionBandBenergy
mixtureB-BCORRECTBANSWERB-
aBcombinationBofBtwoBorBmoreBsubstancesBinBwhichBtheBsubstancesBretainBtheirBdistinctBidentities
homogeneousBmixtureB-BCORRECTBANSWERB-compositionBofBtheBmixtureBisBtheBsameBthroughout
heterogeneousBmixtureB-BCORRECTBANSWERB-
compositionBofBtheBmixtureBisBnotBuniformBthroughout
mixtureBseparationB-BCORRECTBANSWERB-
physicalBmeansBcanBbeBusedBtoBseparateBaBmixtureBintoBitsBpureBcomponents
elementB-BCORRECTBANSWERB-
aBsubstanceBthatBcannotBbeBseparatedBintoBsimplerBsubstancesBbyBchemicalBmeans
, numberBofBelementsBdefinedB-BCORRECTBANSWERB-114
numberBofBelementsBthatBnaturallyBoccurBonBearthB-BCORRECTBANSWERB-82
numberBofBelementsBbeenBcreatedBbyBscientistsB-BCORRECTBANSWERB-32
compoundB-BCORRECTBANSWERB-
aBsubstanceBcomposedBofBatomsBofBtwoBorBmoreBelementsBchemicallyBunitedBinBfixedBproportions
compoundBseparationB-BCORRECTBANSWERB-
compoundsBcanBonlyBbeBseparatedBintoBtheirBpureBcomponentsB(elements)BbyBchemicalBmeans
physicalBpropertyB-BCORRECTBANSWERB-
propertiesBthatBcanBbeBobservedBandBmeasuredBwithoutBchangingBtheBcompositionBofBtheBsubsta
nceB(color,Bdensity,Bconductivity,Betc.)
chemicalBpropertyB-BCORRECTBANSWERB-
propertiesBthatBareBonlyBobservableBduringBaBchemicalBchangeB(combustibility,BfoodBdigestion...)
extensiveBpropertyB-BCORRECTBANSWERB-
aBpropertyBthatBdependsBuponBhowBmuchBmatterBisBbeingBconsideredB(mass,Blength,Bvolume)
intensiveBpropertyB-BCORRECTBANSWERB-
aBpropertyBthatBdoesBnotBdependBuponBhowBmuchBmatterBisBbeingBconsideredB(density,Btemperat
ure,Bcolor)
physicalBchangeB-BCORRECTBANSWERB-
doesBnotBalterBtheBcompositionBorBidentityBofBaBsubstanceB(iceBmelting,BsugarBdissolvingBinBwater)
1-3) QUESTIONS WITH CORRECT
ANSWERS
chemistryB-BCORRECTBANSWERB-theBstudyBofBmatterBandBtheBchangesBitBundergoes
scientificBmethodB-BCORRECTBANSWERB-aBsystematicBapproachBtoBresearch
qualitativeBdataB-BCORRECTBANSWERB-generalBobservations
quantitativeBdataB-BCORRECTBANSWERB-comprisingBofBnumbersBobtainedBbyBmeasurement
hypothesisB-BCORRECTBANSWERB-aBtentativeBexplanationBforBaBsetBofBobservations
lawB-BCORRECTBANSWERB-aBmathematicalBrelationshipBthatBisBconsistentlyBfoundBtoBbeBtrue
theoryB-BCORRECTBANSWERB-
aBgeneralBprincipleBorBbodyBofBprinciplesBthatBhasBbeenBdevelopedBtoBexplainBaBwideBvarietyBofBph
enomenaB(thisBisBNOTBaBwildBguess)
twoBmajorBgoalsBofBscienceB-BCORRECTBANSWERB-predictionBandBcontrol
twoB"better"BgoalsBofBscienceB-BCORRECTBANSWERB-understandingBandBexplanation
fourBbasicBrulesBofBgoodBscienceB-BCORRECTBANSWERB-1.BresultsBshouldBbeBreproducibleBbyBothers
2.BdetailedBresearchBresultsBshouldBbeBreviewable
,3.BconclusionsBshouldBbeBreasonableBandBunbiased
4.B"giveBcreditBwhenBcreditBisBdue"
physicsB-BCORRECTBANSWERB-chemistryBinBmotion
biologyB-BCORRECTBANSWERB-chemistryBinBaBcell
engineeringB-BCORRECTBANSWERB-chemistryBinBapplication
matterB-BCORRECTBANSWERB-anythingBthatBoccupiesBvolumeBandBhasBmass
matterBisBgovernedBby...B-BCORRECTBANSWERB-compositionBandBenergy
mixtureB-BCORRECTBANSWERB-
aBcombinationBofBtwoBorBmoreBsubstancesBinBwhichBtheBsubstancesBretainBtheirBdistinctBidentities
homogeneousBmixtureB-BCORRECTBANSWERB-compositionBofBtheBmixtureBisBtheBsameBthroughout
heterogeneousBmixtureB-BCORRECTBANSWERB-
compositionBofBtheBmixtureBisBnotBuniformBthroughout
mixtureBseparationB-BCORRECTBANSWERB-
physicalBmeansBcanBbeBusedBtoBseparateBaBmixtureBintoBitsBpureBcomponents
elementB-BCORRECTBANSWERB-
aBsubstanceBthatBcannotBbeBseparatedBintoBsimplerBsubstancesBbyBchemicalBmeans
, numberBofBelementsBdefinedB-BCORRECTBANSWERB-114
numberBofBelementsBthatBnaturallyBoccurBonBearthB-BCORRECTBANSWERB-82
numberBofBelementsBbeenBcreatedBbyBscientistsB-BCORRECTBANSWERB-32
compoundB-BCORRECTBANSWERB-
aBsubstanceBcomposedBofBatomsBofBtwoBorBmoreBelementsBchemicallyBunitedBinBfixedBproportions
compoundBseparationB-BCORRECTBANSWERB-
compoundsBcanBonlyBbeBseparatedBintoBtheirBpureBcomponentsB(elements)BbyBchemicalBmeans
physicalBpropertyB-BCORRECTBANSWERB-
propertiesBthatBcanBbeBobservedBandBmeasuredBwithoutBchangingBtheBcompositionBofBtheBsubsta
nceB(color,Bdensity,Bconductivity,Betc.)
chemicalBpropertyB-BCORRECTBANSWERB-
propertiesBthatBareBonlyBobservableBduringBaBchemicalBchangeB(combustibility,BfoodBdigestion...)
extensiveBpropertyB-BCORRECTBANSWERB-
aBpropertyBthatBdependsBuponBhowBmuchBmatterBisBbeingBconsideredB(mass,Blength,Bvolume)
intensiveBpropertyB-BCORRECTBANSWERB-
aBpropertyBthatBdoesBnotBdependBuponBhowBmuchBmatterBisBbeingBconsideredB(density,Btemperat
ure,Bcolor)
physicalBchangeB-BCORRECTBANSWERB-
doesBnotBalterBtheBcompositionBorBidentityBofBaBsubstanceB(iceBmelting,BsugarBdissolvingBinBwater)