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IVY TECH CHEM 101 MIDTERM QUESTIONS WITH CORRECT ANSWERS

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IVY TECH CHEM 101 MIDTERM QUESTIONS WITH CORRECT ANSWERS

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Institution: Portage Learning
Course: Chemistry 101

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Uploaded on: May 22, 2025
Number of pages: 7
Written in: 2024/2025
Type: Exam (elaborations)
Contains: Questions & answers

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ivy tech chem 101 midterm questions with correct a

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IVY TECH CHEM 101 MIDTERM QUESTIONS
WITH CORRECT ANSWERS
TheBdefinitionBofBaBscientificBlawBisB-BCORRECTBANSWERB-
aBnumberBofBsimilarBobservationsBgeneralizedBintoBaBbriefBstatementBsummarizingBpastBobservati
onsBandBpredictingBnewBones

WhichBstatementBaboutBaBhypothesisBisBTRUEB-BCORRECTBANSWERB-
AllBofBtheBaboveBstatementsBareBtrue.

WhichBofBtheBfollowingBisBanBexampleBofBaBscientificBlawB-BCORRECTBANSWERB-
InBaBchemicalBreaction,BmatterBisBneitherBcreatedBnorBdestroyed.

ABsampleBofBwoodBwithBaBmassBofB3.0BgramsBwasBburnedBinBanBopenBdish.BTheBashesBweighedB1.2B
grams.BWhatBhappenedBtoBtheBrestBofBtheBwood?B-BCORRECTBANSWERB-
TheBremainingB1.8BgramsBwasBconvertedBintoBgaseousBcompounds.

WhichBstatementBwouldBNOTBbeBanBexampleBofB"quantification"B-BCORRECTBANSWERB-
TheBwaterBinBtheBswimmingBpoolBfeelsBcolderBthanBitBwasByesterday.

ABpopularBscienceBdemonstrationBisBtoBtakeBseveralBliquidsBthatBwillBnotBmixBtogetherBandB"stack"B
theseBliquidsBinBaBtallBglassBcylinder.BSupposeBtheBfollowingBthreeBliquidsBwereBplacesBinBtheBsameB
tall,BnarrowBglassBcylinder:

SUBSTANCEBDENSITYB(g/mL)

vinegarB1.01

motorBoilB0.87

cornBsyrupB1.36

, TheseBliquidsBwouldBstackBinBwhichBorder?B-BCORRECTBANSWERB-
motorBoilBonBtop,BvinegarBinBtheBmiddle,BcornBsyrupBonBtheBbottom

SupposeBaBboatBengineBleaksB938BmLBofBoilBintoBaBlake.BTheBmassBofBthisBspilledBoilBisB823Bg.BTheBoil
BwillBnotBmixBwithBtheBlakeBwater.BWhichBstatementBisBtrue?B-BCORRECTBANSWERB-

TheBoilBwillBfloatBbecauseBitsBdensityBofB0.877Bg/mLBisBlessBthanBtheBdensityBofBwater.

DetermineBtheBanswerBtoBtheBfollowingBequationBwithBcorrectBnumberBofBsignificantBfigures:

2.02+8.102-0.0297=B-BCORRECTBANSWERB-10.09

HowBmanyBmillilitersBareBinB17.5BLB-BCORRECTBANSWERB-1.75BxB104BmL

GivenBtheBdensityBofBAuBisB19.3Bg/cm3,BdetermineBtheBmassBofBgoldB(inBgrams)BinBanBingotBwithBth
eBdimensionsBofB10.0BinBxB4.00BinBxB3.00Bin.B-BCORRECTBANSWERB-3.80BxB104

TheBcorrectBdecimalBrepresentationBofB6.453BxB103Bis:B-BCORRECTBANSWERB-6,453

ABplasticBblockBhasBdimensionsBofB2.2BcmBxB3.0BcmBxB1.5BcmBandBaBmassBofB12.4Bgrams.BWillBtheBbl
ockBfloatBinBwaterBandBwhyB-BCORRECTBANSWERB-
No,BbecauseBtheBdensityBofBtheBblockBisB1.3Bg/mLBwhichBisBgreaterBthanBtheBdensityBofBwater.

HowBmanyBgramsBareBinB1.48BxB10^7Bμg?B-BCORRECTBANSWERB-14.8

DetermineBtheBanswerBforBtheBequationBbelowBwithBcorrectBnumberBofBsignificantBfigures:

B 1.2*1.79=B-BCORRECTBANSWERB-2.1

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IVY TECH CHEM 101 MIDTERM QUESTIONS WITH CORRECT ANSWERS

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