COMPLETE FULL COURSE STRAIGHTERLINE CHEM 101 - GENERAL CHEMISTRY 1, 2, 3 , 4, 5 & 6 - APRIL 2022
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Course
CHEM 101
Institution
CHEM 101
Course Content
General
Introduction and Getting Started
Topic 1: Introduction to Chemistry
Topic 2: Matter and Its Components
Topic 3: Stoichiometry
Topic 4: Reactions in Aqueous Solutions
Topic 5: Thermochemistry
Topic 6: Quantum Theory
Topic 7: The Main Group Elements
Topic 8: Propert...
complete full course straighterline chem 101 general chemistry 1
2
4
5 amp 6 april 2022
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CHEM 101
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, CHEM101_MH_V4
Topic 3: Stoichiometry
Started on Friday, April 15, 2022, 7:00 PM
State Finished
Completed on Friday, April 15, 2022, 7:25 PM
Time taken 25 mins 47 secs
Grade 115.00 out of 115.00 (100%)
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Question 1
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Question text
Which of the following cannot be separated into simpler substances by chemical means?
Select one:
a. Element
,b. Emulsion
c. Compound
d. Homogeneous mixture
e. Heterogeneous mixture
Question 2
Correct
4.60 points out of 4.60
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Question text
What is a unifying principle that explains a body of experimental observations?
Select one:
a. Law
b. Hypothesis
c. Theory
d. Phenomena
e. Prediction
Question 3
Correct
4.60 points out of 4.60
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Question text
Which of the following is a chemical change?
Select one:
a. Boiling water
b. Melting wax
c. Broiling a steak on a grill
d. Condensing water vapor into rainfall
, e. Carving a piece of wood
Question 4
Correct
4.60 points out of 4.60
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Question text
If a liquid contains 60% sugar and 40% water throughout its composition then what is it called?
Select one:
a. Solute
b. Compound
c. Homogeneous mixture
d. Heterogeneous mixture
e. Solvent
Question 5
Correct
4.60 points out of 4.60
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Question text
Which one of these represents a physical change?
Select one:
a. Water, when heated, forms steam.
b. Bleach turns hair yellow.
c. Sugar, when heated, becomes brown.
d. Milk turns sour.
e. Apples, when exposed to air, turn brown.
Question 6
Correct
4.60 points out of 4.60
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