Chem 120 Final Exam / Chem120 Final Exam (New, 2020, Version-3): Chamberlain College Of Nursing (Correct & Detail Answers) (Satisfaction Guaranteed, Check Reviews Of My 1000 Plus Clients)

CHEM 120 Final Exam

1. (TCO 4) The shape of a carbon dioxide molecule is _____. (Points : 5)
tetrahedral
pyramidal
linear
triangular
None of the above


2. (TCO 4) Which of the following substances does not have polar covalent bonds?
(Points : 5)
CO2
CH3Cl
Cl2
NF3




3. (TCO 8) According to the Bronsted-Lowry definition, which chemical in the
following reaction is the acid?
NH3 + HNO3  NH4+ + NO3- (Points : 5)
NH4+
NH3
NO3-
HNO3
None of the above


4. (TCO 8) According to the Bronsted-Lowry definition, which chemical in the
following reaction is the base?
HNO2 + HS-  H2S + NO2- (Points : 5)

, NO2
H2S
NO2-
HS-
None of the above


5. (TCO 12) Which nucleic acid carries the amino acid that is added onto the
growing amino acid chain during translation? (Points : 5)
DNA
tRNA
mRNA
rRNA
Thiamine


6. (TCO 12) Which of the following best describes the action of enzymes in living
systems? A specific enzyme generally catalyzes (Points : 5)
one specific reaction.
a group of similar reactions.
many different reactions.
random reactions.
either one specific reaction or a group of similar reactions.




7. (TCO 12) Which of the following is not an unsaturated fatty acid? (Points : 5)
CH3CH2CH2CH2CH2CH2CH=CHCOOH
CH3CH2CH2CH2CH=CHCH=CHCOOH
CH3CH2CH2CH2CH2CH2CH2COOH
CH3CH2CH2CH2CH2CH2CH2CH2CH=CHCOOH
CH3CH2CH2CH2CH=CHCH2CH=CHCOOH