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CHEM 103 Final Exam

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Exam (elaborations)

CHEM 103 Final Exam

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2025/2026

Institution Portage Learning – CHEM 103: General Chemistry

Course Portage Learning – CHEM 103: General Chemistry

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Exam of 18 pages for the course Portage Learning – CHEM 103: General Chemistry at Portage Learning – CHEM 103: General Chemistry (CHEM 103 Final Exam)

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CHEM 103 FINAL EXAM QUESTIONS
AND CORRECT ANSWERS
Whichnof nthenfollowingnisnannexamplenofnanphysical nproperty?

a.nAbilityntonchange ncolor

b.nFlammability

c.nDensity

d.nSolubility

Examn1n- nCORRECTnANSWER-c.nDensity

Whichnof nthenfollowingnisnevidence nofnanchemicalnchange?

a.nReleasingnbubblesnofngas

b.nFloatingninnwater

c.nCrystallization

d.nVaporization

e.nNone nofnthenabove

Examn1n- nCORRECTnANSWER-a.nReleasingnbubblesnofngas

Accordingntonthenmetricnsystem,n1nmn=n0.001nwhat?

a.ncm

b.nmm

c.ndm

d.nkm

e.nNone nofnthenabove

Examn1n- nCORRECTnANSWER-d.nkm

,Subtractn9.0nx n10³nsecnfromn2.0nx n10⁴nsecnandnexpressnthenanswerninnscientificnnotation.

a.n1.1nx n10¹nsec

b.n1.1nx n10²nsec

c.n1.1nx n10³nsec

d.n1.1nx n10⁴nsec

e.n1.1nx n10⁵nsec

Examn1n- nCORRECTnANSWER-d.n1.1nx n10⁴nsec

Whichnof nthenfollowingnamountsnisnthenlargest?

a.n1.0nuL

b.n1.0nL

c.n1.0nmL

d.n1.0nML

e.n1.0nkL

Examn1n- nCORRECTnANSWER-d.n1.0nML

Addn250.0nmLnton5.00nmLnandnroundnoffnthenanswer.

a.n250nmL

b.n255nmL

c.n256nmL

d.n255.0nmL

e.n255.0nmL

Examn1n- nCORRECTnANSWER-d.n255.0nmL

Ifn10.4nmLnofnmercurynhasnanmassnofn0.197nkg,nwhatnisnthenmassninnpounds?

, a.n89400nlb

b.n0.434nlb

c.n4.51nlb

d.n89.4nlb

e.n4720nlb

Examn1n- nCORRECTnANSWER-b.n0.434nlb

Whatnisnthe nvolume noccupiednbynan10.0ngnsamplenof ngasolinenthatnhasnandensitynofn0.720ng/mL?

a.n0.720nmL

b.n0.0720nmL

c.n1.39nmL

d.n7.20nmL

e.n13.9nmL

Examn1n- nCORRECTnANSWER-e.n13.9nmL

Fornthe ncalculationn(1.200nx n1.23466nx n1.0986) n-n1.33,nwhichnisnthencorrectnanswer?

a.n0.298

b.n0.3

c.n0.30

d.n0.2977

e.n0.29

Examn1n- nCORRECTnANSWER-c.n0.30

The nnumbern0.02150nhasnhownmanynsignificantnfigures?

a.n3

b.n4

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Uploaded on: January 31, 2026
Number of pages: 18
Written in: 2025/2026
Type: Exam (elaborations)
Contains: Questions & answers

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