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Use the graph to the right for the
next 3 questions. 1.00 kg mass was heated. |
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| 75. |
What is the specific
heat of the liquid phase?
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A. |
0.500 J/goC |
/\H
= 50.0 kJ Pick values for liquid phase
/\T = 50.0oC
mass = 1.00 kg
/\H
50.0 kJ
c = ------------- = ---------------------- = 1.00 J/goC
mass/\T
1.00 kg x 50.0oC |
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B. |
1.00 J/goC |
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C. |
1.50 J/goC |
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D. |
2.00 J/goC |
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| 76. |
What is the Latent
Heat of Vaporization?
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A. |
50.0 J/g |
Pick
Values for the level area changing from liquid to gas.
/\H 100. kJ
L = --------- = ------------- = 100. J/g Correct Answer
is B.
mass 1.00 kg |
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B. |
100. J/g |
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C. |
150. J/g |
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D. |
200. J/g |
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| 77. |
The boiling point of
the substance under these conditions is
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A. |
100.oC |
The
level area of the graph between the liquid and gas phases is the boiling
point.
The Boiling Point is 250.oC.
The Correct Answer is D. |
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B. |
150.oC |
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C. |
200.oC |
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D. |
250.oC |
