Exam 2: Chem120/ Chem 120 (New 2025/ 2026 Update) Introduction to General, Organic & Biological Chemistry |Questions & Answers| Grade A| 100% Correct (Verified Solutions)- Chamberlain

Examl2:lChem120/lCheml120l(Newl2025/
l2026lUpdate)lIntroductionltolGeneral,l
Organicl&lBiologicallChemistryl|lQsl&lAs|l
GradelA|l100%lCorrectl(VerifiedlAnswers)-
lChamberlainl


QUESTION
WhenlusinglthelKineticlMolecularlTheoryloflgasesl(KMT),lwelassumelthatlthelpa
rticlesloflalgas...


Answer:
-lanyltimelgaslmoleculeslcollide,lthelcollisionlislperfectlylelasticl
-ltherelislnolattractionlbetweenlthelparticlesloflthelgas
-lthelgaslparticleslarelinlrandom,lcontinuouslmotion




QUESTION
Alsampleloflgaslislcooledlatlalconstantlpressure.l
Ilwouldlexpectlthelvolumeloflthelgaslto:l
a.)lincrease
b.)ldecreasel
c.)lstaylthelsame


Answer:
b.)ldecrease

,QUESTION
Atlanlunchangingltemperature,l80lLlsampleloflgaslwithlatlalpressurelofl2.0lATMl
islcompressedltolalvolumelofl70lL.
Whatlislthelpressureloflthelcompressedlgas?
a.)l2800lATM
b.)l0.44lATM
c.)l1.75lATM
d.)l2.3lATM


Answer:
d.)l2.3lATM




QUESTION
Al9.0lLlcontainerloflgaslhaslalpressurelofl3.0lATMlatl20⁰C.
Howlmanylmolesloflgaslarelinlthislcontainer?
a.)l4.9lmoles
b.)l1.35lmoles
c.)l16.4lmoles
d.)l1.1lmoles


Answer:
d.)l1.1lmoles




QUESTION

, Albubblelwithlalvolumelofl2.00lmLlatlalpressurelofl3.00lATMlandlaltemperaturel
ofl265lkelvinlrisesltoljustlbelowlthelsurfaceloflthelwater,lwherelthelpressurelisl1.0
0lATMlandltheltemperaturelisl270.0lkelvin.
WhatlwilllthelnewlvolumelbelinlmL?
a.)l6.11lmL
b.)l5.88lmL
c.)l1.96lmL
d.)l3.06lmL


Answer:
a.)l6.11lmL




QUESTION
Whenlthelreactionlherelgoeslinlthelbackwardsldirection,lwhatlislthelactinglaslthel
base?
H₃O⁺l+lPH₃l⇌lPH₄⁺l+lH₂O
a.)lPH₃
b.)lH₂O
c.)lH₃O⁺
d.)lPH₄⁺


Answer:
b.)lH₂O




QUESTION
HCllandlLiOHlreactlinlalneutralizationlreaction.lWhatltwolproductslwouldlIlexpe
ctlfromlthislreaction?
a.)lLiCl