Chapter 18: Q. 3 (page 510)
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?
The solution gives the description of the water vapour in the lowest temperature
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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.
At what temperature does the numerical value in °F match the numerical value in °C?
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?
The air temperature and pressure in a laboratory are 20C and 1.0 atm. A 1.0 L container is open to the air. The container is then sealed and placed in a bath of boiling water. After reaching thermal equilibrium, the container is opened. How many moles of air escape?
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?
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