7/27/2019 Lichter CHM1045 Quizzes (6A) (Spring 2012)
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Chapter 6 Quiz
Review of attempt 1
Finish review Started on Monday, 19 March 2012, 11:26 AM
Completed on Monday, 19 March 2012, 11:40 AM
Time taken 14 mins 20 secs
Grade 6 out of a maximum of 10 (60%)
Question1Marks: 1
For a process at constant pressure, which statement(s) is/are true?
Choose one answer.
a. q = 0 and = w
b. w = 0 and = q
c. =
d. q =
e. w = 0
CorrectMarks for this submission: 1/1.
Question2Marks: 1
For a process at constant volume, which statement(s) is/are true?
Choose one answer.
a. q = 0 and = w
7/27/2019 Lichter CHM1045 Quizzes (6A) (Spring 2012)
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b. w = 0 and = q
c. =
d. q =
e. w is not equal to 0
IncorrectMarks for this submission: 0/1.
Question3Marks: 1
Which answer gives the following forms of electromagnetic radiation in order ofincreasing energy: infrared, x-ray, radio waves, green light, ultraviolet?
Choose one answer.
a. infrared, x-ray, radio waves, green light, ultraviolet
b. radio waves , infrared, green light, ultraviolet, x-ray
c. x-ray, ultraviolet, infrared, green light, radio waves
d. infrared, radio waves, ultraviolet, green light, x-ray
e. green light, x-ray, radio waves, infrared, ultraviolet
IncorrectMarks for this submission: 0/1.
Question4Marks: 1
Which answer gives the following forms of electromagnetic radiation in order ofincreasing energy: A - gamma rays; B - radio waves; C- 500 nm visible light; D - avisible light photon with 2.8 x 10-19 J; or E - visible light photon with a frequency of 7.4 x1014 Hz?
Choose one answer.
a. A < B < C < D < E
b. B < C < E < A < D
c. B < D < C < E < A
7/27/2019 Lichter CHM1045 Quizzes (6A) (Spring 2012)
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d. C < D < B < A < E
e. B < E < C < D < A
IncorrectMarks for this submission: 0/1.
Question5Marks: 1
Consider the following reaction:
2 A + 3 B --> 2 C + D
Given the following heats of formation data (in kJ/mol), calculate the enthalpy, , forthe reaction.
A: f(A) = 190kJ/mol
B: f(B) = (-90)kJ/mol
C: f(C) = (-266)kJ/mol
D: f(D) = (-58)kJ/mol
Answer:-480
IncorrectMarks for this submission: 0/1.
Question6Marks: 2
How much heat is absorbed when 30.00 g of C(s) reacts in the presence of excessSO2(g) to produce CS2(l) and CO(g) according to the following chemical equation?
Choose one answer.
a. 119.8 kJ
b. 239.9 kJ
c. 599.2 kJ
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d. 1439 kJ
CorrectMarks for this submission: 2/2.
Question7Marks: 2
When 1.50 g of Ba(s) is added to 100.00 g of water in a container open to theatmosphere, the reaction shown below occurs and the temperature of the resulting
solution rises from 22.00 C to 33.10 C. If the specific heat of the solution
is calculate for the reaction, as written.
Choose one answer.
a. -431 kJ
b. -3.14 kJ
c. 3.14 kJ
d. 431 kJ
CorrectMarks for this submission: 2/2.
Question8Marks: 1
Sodium metal reacts with water to produce hydrogen gas and sodium hydroxideaccording to the chemical equation shown below. When 0.030 mol of Na is added to
100.00 g of water, the temperature of the resulting solution rises from 25.00 C to
37.90 C. If the specific heat of the solution is 4.18 J/(g C), calculateH for the reaction, as written.
Choose one answer.
a. -5.4 kJ
b. -90. kJ
c. -180 kJ
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d. -362 kJ
CorrectMarks for this submission: 1/1.
Finish review
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