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COMPLETE FULL COURSE STRAIGHTERLINE CHEM 101 - GENERAL CHEMISTRY 1, 2, 3 , 4, 5 & 6 - APRIL 2022 CA$44.22   Add to cart

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COMPLETE FULL COURSE STRAIGHTERLINE CHEM 101 - GENERAL CHEMISTRY 1, 2, 3 , 4, 5 & 6 - APRIL 2022

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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...

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  • April 18, 2022
  • 178
  • 2021/2022
  • Exam (elaborations)
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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%)

You’re off to a good start. A course grade of 70% is required to request a transcript
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Question 1
Correct
4.60 points out of 4.60




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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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