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Chapter 18: Q. 9 (page 511)
1.0 mol of gold is shaped into a sphere. What is the sphere鈥檚
diameter?
The solution deals with the transformation of gold into a sphere.
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A diving bell is a -tall cylinder closed at the upper end but open at the lower end. The temperature of the air in the bell is . The bell is lowered into the ocean until its lower end is deep. The temperature at that depth is .
a. How high does the water rise in the bell after enough time has passed for the air inside to reach thermal equilibrium?
b. A compressed-air hose from the surface is used to expel all the water from the bell. What minimum air pressure is needed to do this?
of steam at a pressure of is cooled until it condenses. What is the volume of liquid water? Give your answer in .
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?
of gas undergoes the process shown in Figure P16.38. What are
(a) temperature ,
(b) pressure , and
(c) volume ?
A concrete bridge is built of 325-cm-long concrete slabs with an expansion joint between them. The slabs just touch on a day, the hottest day for which the bridge is designed. What is the gap between the slabs when the temperature is ?
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