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CHEMISTRY 101 Introductory Chemistry- CHM 101 Final Exam Questions and Answers
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CHEMISTRY 101 Introductory Chemistry- CHM 101 Final Exam Questions and Answers
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Review Test Submission: Final Exam 5/16/15, 10:25 AMHCHM 101: Introductory Chemistry (2015 Spring) 2015Spring-X-CHM101-17488-17489
Final Exam Review Test Submission: Final Exam
Review Test Submission: Final Exam
User Kai Bai
Course CHM 101: Introductory Chemistry (2015 Spring)
Test Final Exam
Started 5/5/15 12:00 PM
Submitted 5/5/15 12:23 PM
Due Date 5/7/15 11:59 PM
Status Completed
Attempt Score 90 out of 100 points
Time Elapsed 23 minutes out of 1 hour and 20 minutes
Instructions
Question 1 2 out of 2 points
What is the third most abundant component of dry air?
Selected Answer: argon
Answers: carbon dioxide
smog
oxygen
nitrogen
argon
Question 2 2 out of 2 points
Which Lewis structure below correctly represents KCl?
Selected Answer:
Answers:
https://myasucourses.asu.edu/webapps/assessment/review/revie…0_1&outcome_id=_61598955_1&outcome_definition_id=_3404205_1 Page 1 of 16
,Review Test Submission: Final Exam 5/16/15, 10:25 AM
none of these
Question 3 0 out of 2 points
Which of the following statements about pressure is FALSE?
Selected Pressure is caused by gas molecules colliding with surfaces.
Answer:
Answers: Pressure is caused by gas molecules colliding with surfaces.
By creating a pressure difference, the atmospheric pressure can push
liquid up a straw.
All of these statements are true.
The atmosphere has a pressure as the components of air collide with
surfaces.
A deep well dug in the ground must have the pump located at the
bottom of well in order to have the water come to the surface.
Question 4 2 out of 2 points
A mothball can change directly from its solid phase to its gaseous phase. This
process is known as:
Selected Answer: sublimation
Answers: none of these
sublimation
deposition
condensation
melting
Question 5 2 out of 2 points
A balloon originally had a volume of 0.439 L at 44 °C and a pressure of 729 torr. To
what temperature must the balloon be cooled to reduce its volume to 378 mL if the
pressure remained constant?
Selected Answer: 0 °C
Answers: None of these
95 °C
38 °C
https://myasucourses.asu.edu/webapps/assessment/review/revie…0_1&outcome_id=_61598955_1&outcome_definition_id=_3404205_1 Page 2 of 16
, Review Test Submission: Final Exam 5/16/15, 10:25 AM
273 °C
0 °C
Question 6 2 out of 2 points
Which of the following is considered a single electron group?
Selected Answer: all of these
Answers: a single bond
all of these
a triple bond
a double bond
a lone pair of electrons
Question 7 2 out of 2 points
Which of the following compounds is a strong electrolyte?
Selected Answer: all of these
Answers: NaC2H3O2
NH4Cl
all of these
HCl
NaCl
Question 8 0 out of 2 points
How many kilojoules of heat are needed to completely vaporize 42.8 grams of
C4H10O at its boiling point?
Given ΔHvap = 29.5kJ/mol
Selected Answer: 16.3
Answers: 16.3
74.12
15.3
none of these
9.49
https://myasucourses.asu.edu/webapps/assessment/review/revie…0_1&outcome_id=_61598955_1&outcome_definition_id=_3404205_1 Page 3 of 16
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