STRAIGHTERLINE CHEM 101 GENERAL CHEMISTRY GRADED EXAM 5 - APRIL 2022
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Module
CHEM 101
Institution
CHEM 101
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• CHEM101_MH_V4
• Topic 13: Acids and Bases
Started on Friday, April 15, 2022, 8:48 PM
State Finished
Completed on Friday, April 15, 2022, 9:08 PM
Time taken 19 mins 14 secs
Grade 115.00 out of 115.00 (100%)
Question 1
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straighterline chem 101 general chemistry graded exam 5 april 2022
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CHEM101_MH_V4
Topic 13: Acids and Bases
Started on Friday, April 15, 2022, 8:48 PM
State Finished
Completed on Friday, April 15, 2022, 9:08 PM
Time taken 19 mins 14 secs
Grade 115.00 out of 115.00 (100%)
Question 1
Correct
4.60 points out of 4.60
Flag question
Question text
A solution of chloroform, CHCl3, and acetone, (CH3)2CO, exhibits a negative deviation from
Raoult's law. This result implies that
Select one:
a. chloroform-chloroform interactions are stronger than chloroform-acetone interactions.
b. chloroform-chloroform interactions are weaker than chloroform-acetone interactions.
c. acetone-acetone interactions are stronger than chloroform-acetone interactions.
, d. acetone-acetone interactions are weaker than chloroform-acetone interactions.
e. Choice 2 and 4
Question 2
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4.60 points out of 4.60
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Question text
At 10°C one volume of water dissolves 3.10 volumes of chlorine gas at 1.00 atm pressure. What
is the Henry's law constant of Cl2 in water?
(R = 0.0821 atm • L • mol–1• K–1 )
Select one:
a. 3.8 mol • L–1• atm–1
b. 0.043 mol • L–1• atm–1
c. 36 mol • L–1• atm–1
d. 3.1 mol • L–1• atm–1
e. 0.13 mol • L–1• atm–1
Question 3
Correct
4.60 points out of 4.60
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Question text
What is the vapor pressure above a solution prepared by dissolving 0.500 mol of a nonvolatile
solute in 275 g of hexane (86.18 g/mol) at 49.6°C? P°hexane = 400.0 torr at 49.6°C.
Select one:
a. 54 torr
b. 154 torr
c. 246 torr
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