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Chapter 18: Q. (page 511)
A hollow aluminum sphere with outer diameter 10.0 cm has a
mass of 690 g. What is the sphere鈥檚 inner diameter?
The solution gives the aluminium sphere and its inner diameter.
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Two students each build a piece of scientific equipment that uses a 655 mm-long metal rod. One student uses a brass rod, the other an invar rod. If the temperature increases by C, how much more does the brass rod expand than the invar rod?
The circular piston shown in FIGURE P18.58 floats on of compressed air.
a. What is the piston height if the temperature is ?
b. How far does the piston move if the temperature is increased by ?
A rigid container holds of gas at a pressure of and a temperature of .
a. What is the container鈥檚 volume?
b. What is the pressure if the temperature is raised to ?
A -diameter cylinder that is long contains of oxygen gas at
a. How many moles of oxygen are in the cylinder?
b. How many oxygen molecules are in the cylinder?
c. What is the number density of the oxygen?
d. What is the reading of a pressure gauge attached to the tank
The U-shaped tube in FIGURE P18.57 has a total length of . It is open at one end, closed at the other, and is initially filled with air at pressure.
Mercury is poured slowly into the open end without letting any air escape, thus compressing the air. This is continued until the open side of the tube is completely filled with mercury. What is the length of the column of mercury?
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