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Chapter 18: Q. 3 (page 510)
a. Is there the highest temperature at which ice can exist? If so what is it? If not, why not?
b. Is there a lowest temperature at which water vapour can exist?
if so, what is it? If not, why not?
The solution deals with the internal energy and the temperature and the First Law.
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The -long pipe in FIGURE P18.50 is closed at the top end. It is slowly pushed straight down into the water until the top end of the pipe is level with the water’s surface. What is the length of the trapped volume of air?
A gas is in a sealed container. By what factor does the gas pressure change if:
a. The volume is doubled and the temperature is tripled?
b. The volume is halved and the temperature is tripled?
How many moles are in a 2.0 cm * 2.0 cm * 2.0 cm cube of
copper?
An element in its solid phase has mass density 1750 kg/m3
and number density 4.3
A student is asked to sketch a pV diagram for a gas that goes
through a cycle consisting of (a) an isobaric expansion, (b) a
constant-volume reduction in temperature, and (c) an isothermal
process that returns the gas to its initial state. The student draws
the diagram shown in FIGURE Q18.12. What, if anything, is wrong
with the student’s diagram?
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