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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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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 atomic mass number of copper is A = 64. Assume that atoms in solid copper form a cubic crystal lattice. To envision this, imagine that you place atoms at the centers of tiny sugar cubes, then stack the little sugar cubes to form a big cube. If you dissolve the sugar, the atoms left behind are in a cubic crystal lattice. What is the smallest distance between two copper atoms?
The total lung capacity of a typical adult is . Approximately of the air is oxygen. At sea level and at a body temperature of , how many oxygen molecules do the lungs contain at the end of a strong inhalation?
A student is asked to sketch a pV diagram for a gas that goes
through a cycle consisting of (a) an isobaric expansion, (b) a
constant-volume reduction in temperature, and (c) an isothermal
process that returns the gas to its initial state. The student draws
the diagram shown in FIGURE Q18.12. What, if anything, is wrong
with the student’s diagram?
The atomic mass number of copper is . Assume that atoms in solid copper form a cubic crystal lattice. To envision this, imagine that you place atoms at the centers of tiny sugar cubes, then stack the little sugar cubes to form a big cube. If you dissolve the sugar, the atoms left behind are in a cubic crystal lattice. What is the smallest distance between two copper atoms?
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