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Chem 120 Final Exam 3 ( )
Questions and Answers (Solved)
- The most common base in the world is also known as lye, its chemical formula is:
Answer: NaOH
2. A Bronsted-Lowery acid: accepts or donates a proton?
Answer: Donates
- In the following reaction the conjugate acid is
Answer: H3PO4+H2O = H2PO4+H3O: H3O
4. Determine the physical state of the following at room temperature:
CH3CH2CH2CH2CHCH2CH2CHCH3
CH2 CH3
CH3
Answer: Liquid
5. The following hydrocarbon is satu or unsatu :
CH3CH=CHCH2CH=CHCH2CH3
Answer: Unsatu
6. Nme the following compound:
CH3CH2CHCHCH2OH
Cl CH3
Answer: 4chloro-3-methyl-1-hexonal 1 / 3
7. The following compound is an example of an:
_
HC-C = C-CH3
Alkyne, Alkane, Cycloalkane, or Alkene
Answer: Alkyne
- Which hydrocarbon will produce the most energy during a combustion reaction?
C3H8, C6H12O6, C9H20, CH4
Answer: C9H20
- Which isomer is the most stable?
CH3 CH3 CH3 H
\ / \ /
C=C C=C
/ \ / \
H H H CH3
Answer: CH3 H
\ / C=C
/ \ H CH3
- Name the following compound OH
/ \ /\ / Br
Answer: 3-bromocycloheanol
- / 3
- 2,5-dimethylhexane
Answer:
/\/\/
- Which alkene is the most stable?
CH 3
H C= CHCH. OR H C-C=C-CH 2 3 3 3
CH 3
Answer: CH
3
H C-C=C-CH
- 3
CH 3
- The compound shown is a alcohol.
OH CH
/ \ / 3
\ /
Answer: Secondary
- 3-ethyl-2-methtlhexane
Answer: CH 3
CH CHCHCH CHCH 3 2 3
CH CH 2 3
- Analkane such as octane, C8H18, Is a
- / 3
molecule.
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