Chem120/ Chem 120 Exam 1: Introduction to General, Organic & Biological Chemistry Guide (Latest 2025/ 2026 Update) | Qs & As| Grade A| 100% Correct (Verified Answers)- Chamberlain

Chem120/l Cheml 120l Examl 1:l
Introductionl tol General,l Organicl &l
Biologicall Chemistryl Guidel (Latestl 2025/l
2026l Update)l |l Qsl &l As|l Gradel A|l
100%l Correctl (Verifiedl Answers)-l
Chamberlainl
QUESTION
howl manyl inchesl arel inl 100l ft?l
1ftl =l 12l inches


Answer:
1200l inches




QUESTION
Al blockl ofl aluminuml occupiesl al volumel ofl 15.0mLl andl weightsl 40.5.l Whatl isl thel
density?


Answer:
Dl =l m/vl 2.7l g/mL




QUESTION
Calculatel thel volumel inl mLl ofl al solutionl withl al densityl ofl 4l g/mLl andl massl ofl 100g.


Answer:
vl =l m/dl
ml =l dl xl v

25mL

,QUESTION
Positivel control


Answer:
knowl whatl tol expect




QUESTION
negativel control


Answer:
doingl nothing




QUESTION
1l GALl =


Answer:
3785l mL




QUESTION
Hydrogenl bondsl are


Answer:
dipole-dipolel forcesl thatl involvel atl leastl onel hydrogenl inl al polarl covalentl molecule.l
Hydrogenl bondl forml inl liquidl butl notl gassesl duel tol thel dipole-dipolel forces




QUESTION

, dipole-dipole


Answer:
attractionsl betweenl oppositelyl chargedl regionsl ofl polarl molecules




QUESTION
Covalentl bond


Answer:
nonmetall +l nonmetal




QUESTION
N2


Answer:
triplel covalentl bond




QUESTION
independentl varible


Answer:
whatl Il aml studying/l controlling.l Onel perl experiment




QUESTION
dependentl varible


Answer:
whatl Il aml measuring.l Nol control