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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A rigid container holds of gas at a pressure of and a temperature of .
a. What is the container’s volume?
b. What is the pressure if the temperature is raised to ?
The solar corona is a very hot atmosphere surrounding the visible surface of the sun. X-ray emissions from the corona show that its temperature is about . The gas pressure in the corona is about . Estimate the number density of particles in the solar corona.
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 15C, 2.0-cm-diameter aluminum bar just barely slips between two rigid steel walls 10.0 cm apart. If the bar is warmed to 25C, how much force does it exert on each wall?
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.
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