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Exam (elaborations)

Exam 3: Chem120/ Chem 120 (New 2025/ 2026 Update) Introduction to General, Organic & Biological Chemistry |Questions & Answers| Grade A| 100% Correct (Verified Solutions)- Chamberlain

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Exam 3: Chem120/ Chem 120 (New 2025/ 2026 Update) Introduction to General, Organic & Biological Chemistry |Questions & Answers| Grade A| 100% Correct (Verified Solutions)- Chamberlain

Institution
Chamberlain College Of Nursing
Course
CHEM120/ CHEM 120 (CHEM120)










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Institution
Chamberlain College Of Nursing
Course
CHEM120/ CHEM 120 (CHEM120)
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Uploaded on
January 28, 2025
Number of pages
21
Written in
2024/2025
Type
Exam (elaborations)
Contains
Questions & answers

Subjects

  • chem 120chem120 chamberlain exam
  • chem 120chem120 chamberlain exam 1
  • chem 120chem120 chamberlain exam 2
  • chem 120chem120 chamberlain exam 3
  • exam 3 chem120 chem 120 new update
  • chem 120chem120chem 120 ch

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Examl3:lChem120/lCheml120l(Newl2025/l
2026lUpdate)lIntroductionltolGeneral,l
Organicl&lBiologicallChemistryl|lQsl&lAs|l
GradelA|l100%lCorrectl(VerifiedlAnswers)-
lChamberlainl
QUESTION
Howlmanylhalf-
liveslwouldloccurlafterl30lminutesliflalradioactivelmateriallhaslalhalf-
lifelofl10lminutes?


Answer:
3lHalfllives

HL=l10lminutesl(10lxl3l=l30)




QUESTION
Al60lgramlsampleloflalradioactivelmateriallhaslalhalf-lifelofl5lyears.
Afterl10lyears,lhowlmanylgramslofltheloriginallradioactivelmateriallwilllremain?


Answer:
60lgrams;lwilllundergol2lhalflliveslsincel
10/5=l2
1stlHalflLife:l30lgrams
2ndlHalflLife:l15lgrams

15lgramslwilllremain

,QUESTION
Whenlpolonium-255ldecayslbylpositronlemission,lwhatlislthelproduct?


Answer:
Atomiclnumberldecreaseslbyl1l(atomicl#loflPolisl84,lsol84-1=l83)
Nolchangeltolatomiclmass

Bismuth-225l(hasl83laslatomiclnumber)




QUESTION
Whichloflthelfollowinglarelexamplesloflproteins?

Selectlalllthatlapply

-lAntibodies
-lEnzymes
-lDNA
-lRNA


Answer:
Antibodieslandlenzymesl(DNA/RNAlarelnucleiclacids)




QUESTION
Chooselthelcarbohydratelthatlislclassifiedlaslalpolysaccharide.

, Answer:
Starch




QUESTION
Whichloflthelfollowinglmoleculeslparticipatelinlthelformationloflalfattylester?

Selectlalllthatlapply.

Sucrose
Aminolacids
Fattylacids
Glycerol


Answer:
Fattylacidslandlglycerol




QUESTION
Iflallipidlislclassifiedlaslalfat,lIlwouldlexpectlitlto:l(selectlalllthatlapply)

-lHavelalstructurelnotlcontaininglC=Cldoublelbonds
-lBelalsolidlatlroomltemperature
-lHavelalstructurelcontaininglC=Cldoublelbonds
-lBelalliquidlatlroomltemperature


Answer:
-HavelalstructurelnotlcontaininglC=Clbonds
-lBelsolidlatlroomltemperature
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