Chapter 18: Q. 1 (page 511)
What volume of water has the same mass as 100 cm3 of gold?
The solution gives the volume of gold and its properties
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The lowest and highest natural temperatures ever recorded on earth are -129°F in Antarctica and 134°F in Death Valley. What are these temperatures in °C and in K?
a. Is there a 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 vapor can exist?
If so, what is it? If not, why not?
A gas is in a Sealed container. The pressure is tripled and the temperature is doubled.
a. does the number of molecules within the container increase. decrease or stay the same?
b. By what factor does the number density of the gas increases.
A cylinder contains nitrogen gas.A piston compresses the gas
to half its initial volume.
a. Has the mass density of the gas changed? If so, by what factor?
If not, why not?
b. Has the number of moles of gas changed? If so, by what factor?
If not, why not?
of gas undergoes the process shown in Figure P16.38. What are
(a) temperature ,
(b) pressure , and
(c) volume ?
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