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College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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
Transcribed Image Text:Part I. Phase diagram.
Direction: Circle the letter of the corect answer.
For nos. 1-8 refer to the diagram on the left.
1. The MELTING POINT o1 the substance is representec by
a. A to B
b. B to C
2. The BOILING POINT of the substance is represented by
c. C to D
d. Dto E
(d, D to E
c. C to D
3. Heat is added between points D and E. The substance is
а. A lo B b. B to C
Ieat dded
a. sublimating
b. meiting c. freezing a boling
4. Between points B and C, the heal added is being used lo
a. increase temperature.
break the bonds of the liquid.
5. Between points C and D, the substance is
O a liquid increasing in temperature.
b. a solid/liquid mixture.
6. If heat is REMOVED from point E and Ihe temperature is not changed, the substance will
c. break the bonds of the solid.
d. boil the substance.
C. a liquid/gas mixture.
d. a soid.
6 condense
b. boil
c. melt
d. evaporate
7. Average kinetic energy increases at ail parts of the graph EXCEPT
a A to B
8. The part of the graph with the STRONGEST intermolecular torces is
a. A to B b C to D C. E to F
For nos. 9-10 reter to the diagram on the right.
9. What is the state of water at 2 atm and 50?
a. solid
b. liquid
C. gas
d. none
10. What phase change will occur if the
temporature is lowered from 80C to -5-C al 1 atm?
a. Iroozing
b. meling
c. condensing
d. evaporating
b. B to C
c. C to D
d. E to F
d. F
Critical point
217.75
Critical
pressure
Liquid
Normal
freezing
point
1.00
Normal
boiling
point
Solid
IA
0.0060
Triple
Vapor
point
100 00
373.99
0.00 0.01
Critical
Temperature (O
temperature
Pressure (atm)
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