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Exam (elaborations)

CHEM 101 - EXAM -1 STUDY GUIDE (CH. 1-3) QUESTIONS WITH CORRECT ANSWERS

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CHEM 101 - EXAM -1 STUDY GUIDE (CH. 1-3) QUESTIONS WITH CORRECT ANSWERS











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Uploaded on
May 22, 2025
Number of pages
18
Written in
2024/2025
Type
Exam (elaborations)
Contains
Questions & answers

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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)

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