Chapter 18: Q. 2 (page 511)
The nucleus of a uranium atom has a diameter of 1.5 * 10-14 m
and a mass of 4.0 * 10-25 kg. What is the density of the nucleus?
The solution gives the description of the atoms of Uranium
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A surveyor has a steel measuring tape that is calibrated to be 100.000 m long (i.e., accurate to) at . If she measures the distance between two stakes to be 65.175 m on a day, does she need to add or subtract a correction factor to get the true distance? How large, in mm, is the correction factor?
To determine the mass of neon contained in a rigid, cylinder, you vary the cylinder’s temperature while recording the reading of a pressure gauge. Your data are as follows:
| Temperature (°C) | Pressure gauge (atm) |
| 100 | 6.52 |
| 150 | 7.80 |
| 200 | 8.83 |
| 250 | 9.59 |
Use the best-fit line of an appropriate graph to determine the mass of the neon.
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?
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?
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 ?
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