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Pre-testCh 9 Kinetic Energy Pre-Test
Name________________________
1. What are the three assumptions of the molecular kinetic theory?
____2. Pressure is measured in terms of
(a) mass per unit volume (b) meters/sec (c) force/unit area (d) force
_____3. Standard atmospheric pressure will support a column of mercury ____mm.
Use the diagrams below to answer question 4-8 The Atm. Pressure = 105 kPa
A . <-(10mm)->..............B <--(5.2mm)--> ...... C....<-(85.0mm) ->.
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____4. Calculate the pressure on the gas in figure A.
____5. Calculate the pressure on the gas in figure B.
____6. Calculate the pressure on the gas in figure C.
7. Convert 550.0 torr to kPa.
8. Convert 1.15 atm. to torr.
9. Convert 78 cm of mercury to kPa
10. Convert 1.0 atm to inches of mercury. (1 inch = 2.54 cm)
11. Convert 25°C to Kelvin
12.Convert 357K to °C
13. If the kinetic energy of a gas at 100K is reduced by one half the new temperature will be_______
14. If the kinetic energy of a gas at 100°C is reduced by one half the new temperature will be_______
15. Explain why a liquid boilis.
16. How does the air pressure on Mt. Everest compare to he air pressure at sea level?
17. What is ment by critical temperature?
18. Label the following on the graph; solid, liquid gas, triple point
19. Substance "A" on the graph represents a phase of a substance.Explain what will happen to the substance if the temperature is lowered.
20. Identify 2 ways to liquify substance "A"
Pressure..... 
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.................................Temperarutre
21. Define heat of fusion
22. Define heat of vaporization
23. Label the graph below.Solid, Liquid, Gas, MP, BP, Heat of Fusion. Heat of Vaporization,Kinetic Energy changes, Potential Energy Changes
......temp. 