Chapter 12: Problem 59
The greater the molar heat of vaporization of a liquid, the greater its vapor pressure. True or false?
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Europium crystallizes in a body-centered cubic lattice (the Eu atoms occupy only the lattice points). The density of Eu is \(5.26 \mathrm{~g} / \mathrm{cm}^{3}\). Calculate the unit cell edge length in picometers.
Ozone \(\left(\mathrm{O}_{3}\right)\) is a strong agent that can oxidize all the common metals except gold and platinum. A convenient test for ozone is based on its action on mercury. When exposed to ozone, mercury becomes dull looking and sticks to glass tubing (instead of flowing freely through it). Write a balanced equation for the reaction. What property of mercury is altered by its interaction with ozone?
The liquid-vapor boundary line in the phase diagram of any substance always stops abruptly at a certain point. Why?
What kind of attractive forces must be overcome to (a) melt ice, (b) boil molecular bromine, (c) melt solid iodine, and (d) dissociate \(\mathrm{F}_{2}\) into \(\mathrm{F}\) atoms?
Which of these statements are false: (a) Dipole-dipole interactions between molecules are greatest if the molecules possess only temporary dipole moments. (b) All compounds containing hydrogen atoms can participate in hydrogen bond formation. (c) Dispersion forces exist between all atoms, molecules, and ions. (d) The extent of ion-induced dipole interaction depends only on the charge on the ion.
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