• 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%)
Feedback You’re off to a good start. A course grade of 70% is required to request...
straighterline chem 101 general chemistry graded exam 1 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%)
You’re off to a good start. A course grade of 70% is required to request a transcript
Feedback reattempt for a higher grade you can retake this assessment. Study hard for each ex
Remember that 10 hours of tutoring are provided to you through your StraighterLin
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
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