Chem Lab 5
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CHEM120 OL, Week 5 Lab
Exploration 1: Building models of Hydrocarbons
Hydrocarbons are a diverse group of organic compounds containing carbon and
hydrogen. Hydrocarbons can be linear, branched, or cyclic. Additionally, hydrocarbons
can be saturated, unsaturated or aromatic.
Using the virtual resource build the extended structural formulas of the following
compounds.
Copy and paste the images into the space below.
Additionally, type in the
condensed structural formula.
Propane
Virtual Model with Extended Structural
Formula:
Condensed Structural Formula:
C
3
H
8
Butane
Virtual Model with Extended Structural
Formula:
Condensed Structural Formula:
C
4
H
10
1
CHEM120 OL, Week 5 Lab
Ethylene
Virtual Model with Extended Structural
Formula:
Condensed Structural Formula:
C
2
H
4
Ethyne
Virtual Model with Extended Structural
Formula:
Condensed Structural Formula:
C
2
H
2
2
CHEM120 OL, Week 5 Lab
Propyne
Virtual Model with Extended Structural
Formula:
Condensed Structural Formula:
C
3
H
4
Ethane
Virtual Model with Extended Structural
Formula:
Condensed Structural Formula:
C
2
H
6
3
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CHEM120 OL, Week 5 Lab
Exploration 2: Identification of Functional Groups
Part 2A: Building functional groups
Functional groups alter the properties of hydrocarbons.
Using the virtual resource build the extended structural formulas of the following
compounds.
Copy and paste the images into the space below.
Alcohol
Ether
Ketone
4
CHEM120 OL, Week 5 Lab
Carboxylic acid
Aldehyde
Ester
Amine
5
CHEM120 OL, Week 5 Lab
Part 2B: Identification of functional groups:
Complete the table below by identifying the functional groups and names of the
condensed structural formulas below.
Condensed Structural
Formula
Name of Functional Group
Name of Organic Molecule
CH
3
CH
2
COCH
3
Ketone
Butanone
CH
3
CH
2
CHO
Aldehyde
Propanal
CH
3
OH
Alcohol
Methanol
CH
3
CH
2
CH
2
CH
2
CH
2
NH
2
Amine
Amino pentane
CH
3
CH
2
CH
2
COOH
Carboxylic Acid
Butanoic Acid
6
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CHEM120 OL, Week 5 Lab
Exploration 3: Building hydrocarbons containing functional groups
Using the virtual resource build the extended structural formulas of the following
compounds.
Copy and paste the images into the space below.
Difluoromethane
Virtual Model with Extended Structural Formula:
Trichloromethane
Virtual Model with
Extended Structural
Formula:
Tetrachloromethane
Virtual Model with Extended Structural Formula:
7
CHEM120 OL, Week 5 Lab
Propanol
Virtual Model with Extended Structural Formula:
Ethanoic Acid
Virtual Model with Extended Structural Formula:
Combine the propanol and the ethanoic acid from the last two exercises to make propyl
ethanoate
Virtual Model with Extended Structural Formula:
8
CHEM120 OL, Week 5 Lab
Phenol
Virtual Model with Extended Structural
Formula:
Condensed Structural Formula:
C
6
H
5
OH
Dimethyl ether
Virtual Model with Extended Structural
Formula:
Condensed Structural Formula:
CH
3
CH
2
OCH
2
CH
3
Propanal
Virtual Model with Extended Structural
Formula:
Condensed Structural Formula:
CH
3
CH
2
CHO
Hexanoic acid
Virtual Model with Extended Structural
Formula:
Condensed Structural Formula:
CH
3
(CH
2
)4COOH
9
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CHEM120 OL, Week 5 Lab
Ethylamine
Virtual Model with Extended Structural
Formula:
Condensed Structural Formula:
CH
3
CH
2
NH
2
Questions:
1.
Write the names of a
biomolecule
(also known as macromolecules) that contain
each of the functional groups below.
a.
Amine-
Amino Acids
b.
Aldehyde-
Carbohydrates
c.
Carboxylic Acid-
Proteins
d.
Alcohol-
Carbohydrates or Glucose
2.
Find an example of an ester used as a fragrance or flavoring and give the name,
condensed structural formula, and flavor of your chosen ester.
Nonyl Caprylate, tastes/smells like orange.
C
17
H
34
O
2
3.
For each of the following, give the functional group
and
application
a.
Formaldehyde- Aldehyde used in fertilizers, pesticides and glue.
b.
Ethanol- Alcohol used in Beverages, disinfectants and some plastic.
c.
Acetone- Ketone used in nail polish remover or paint thinners.
d.
Phenol- Hydroxyl used in drugs and explosives.
10
CHEM120 OL, Week 5 Lab
Reflection:
Consider what you learned from this simulation. Reflect on three to four
key concepts that you learned in this lab exercise. How could the lessons learned in this
virtual lab relate to a real world situation in the community/world or your future career?
Be specific in your answer (this should require 5-10 sentences).
I guess it could relate to the how the AED works when you attach it to the body and how
it charges the heart.
11
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