Chem120/l Cheml 120l Examl 2:l
Introductionl tol General,l Organicl &l
Biologicall Chemistryl (Latestl 2025/l 2026l
Update)l |l Qsl &l As|l Gradel A|l 100%l
Correctl (Verifiedl Answers)-l Chamberlainl
QUESTION
Al 9.0l Ll containerl ofl gasl hasl al pressurel ofl 3.0l ATMl atl 20⁰C.
Howl manyl molesl ofl gasl arel inl thisl container?
a.)l 4.9l moles
b.)l 1.35l moles
c.)l 16.4l moles
d.)l 1.1l moles
Answer:
d.)l 1.1l moles
QUESTION
Al bubblel withl al volumel ofl 2.00l mLl atl al pressurel ofl 3.00l ATMl andl al
temperaturel ofl 265l kelvinl risesl tol justl belowl thel surfacel ofl thel water,l
wherel thel pressurel isl 1.00l ATMl andl thel temperaturel isl 270.0l kelvin.
Whatl willl thel newl volumel bel inl mL?
a.)l 6.11l mL
b.)l 5.88l mL
c.)l 1.96l mL
d.)l 3.06l mL
,Answer:
a.)l 6.11l mL
QUESTION
Whenl thel reactionl herel goesl inl thel backwardsl direction,l whatl isl thel actingl
asl thel base?
H₃O⁺l +l PH₃l ⇌l PH₄⁺l +l H₂O
a.)l PH₃
b.)l H₂O
c.)l H₃O⁺
d.)l PH₄⁺
Answer:
b.)l H₂O
QUESTION
Whenl usingl thel Kineticl Molecularl Theoryl ofl gasesl (KMT),l wel assumel
thatl thel particlesl ofl al gas...
Answer:
-l anyl timel gasl moleculesl collide,l thel collisionl isl perfectlyl elasticl
-l therel isl nol attractionl betweenl thel particlesl ofl thel gas
-l thel gasl particlesl arel inl random,l continuousl motion
, QUESTION
Al samplel ofl gasl isl cooledl atl al constantl pressure.l
Il wouldl expectl thel volumel ofl thel gasl to:l
a.)l increase
b.)l decreasel
c.)l stayl thel same
Answer:
b.)l decrease
QUESTION
Atl anl unchangingl temperature,l 80l Ll samplel ofl gasl withl atl al pressurel ofl
2.0l ATMl isl compressedl tol al volumel ofl 70l L.
Whatl isl thel pressurel ofl thel compressedl gas?
a.)l 2800l ATM
b.)l 0.44l ATM
c.)l 1.75l ATM
d.)l 2.3l ATM
Answer:
d.)l 2.3l ATM
QUESTION
HCll andl LiOHl reactl inl al neutralizationl reaction.l Whatl twol productsl wouldl
Il expectl froml thisl reaction?
a.)l LiCl
b.)l H₂O
c.)l LiH
Introductionl tol General,l Organicl &l
Biologicall Chemistryl (Latestl 2025/l 2026l
Update)l |l Qsl &l As|l Gradel A|l 100%l
Correctl (Verifiedl Answers)-l Chamberlainl
QUESTION
Al 9.0l Ll containerl ofl gasl hasl al pressurel ofl 3.0l ATMl atl 20⁰C.
Howl manyl molesl ofl gasl arel inl thisl container?
a.)l 4.9l moles
b.)l 1.35l moles
c.)l 16.4l moles
d.)l 1.1l moles
Answer:
d.)l 1.1l moles
QUESTION
Al bubblel withl al volumel ofl 2.00l mLl atl al pressurel ofl 3.00l ATMl andl al
temperaturel ofl 265l kelvinl risesl tol justl belowl thel surfacel ofl thel water,l
wherel thel pressurel isl 1.00l ATMl andl thel temperaturel isl 270.0l kelvin.
Whatl willl thel newl volumel bel inl mL?
a.)l 6.11l mL
b.)l 5.88l mL
c.)l 1.96l mL
d.)l 3.06l mL
,Answer:
a.)l 6.11l mL
QUESTION
Whenl thel reactionl herel goesl inl thel backwardsl direction,l whatl isl thel actingl
asl thel base?
H₃O⁺l +l PH₃l ⇌l PH₄⁺l +l H₂O
a.)l PH₃
b.)l H₂O
c.)l H₃O⁺
d.)l PH₄⁺
Answer:
b.)l H₂O
QUESTION
Whenl usingl thel Kineticl Molecularl Theoryl ofl gasesl (KMT),l wel assumel
thatl thel particlesl ofl al gas...
Answer:
-l anyl timel gasl moleculesl collide,l thel collisionl isl perfectlyl elasticl
-l therel isl nol attractionl betweenl thel particlesl ofl thel gas
-l thel gasl particlesl arel inl random,l continuousl motion
, QUESTION
Al samplel ofl gasl isl cooledl atl al constantl pressure.l
Il wouldl expectl thel volumel ofl thel gasl to:l
a.)l increase
b.)l decreasel
c.)l stayl thel same
Answer:
b.)l decrease
QUESTION
Atl anl unchangingl temperature,l 80l Ll samplel ofl gasl withl atl al pressurel ofl
2.0l ATMl isl compressedl tol al volumel ofl 70l L.
Whatl isl thel pressurel ofl thel compressedl gas?
a.)l 2800l ATM
b.)l 0.44l ATM
c.)l 1.75l ATM
d.)l 2.3l ATM
Answer:
d.)l 2.3l ATM
QUESTION
HCll andl LiOHl reactl inl al neutralizationl reaction.l Whatl twol productsl wouldl
Il expectl froml thisl reaction?
a.)l LiCl
b.)l H₂O
c.)l LiH
