Chapter 12: Problem 13
Is there any scientific basis for the colloquial expression "slower than molasses in January"? Explain.
Chapter 12: Problem 13
Is there any scientific basis for the colloquial expression "slower than molasses in January"? Explain.
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Explain why vaporization occurs only at the surface of a liquid until the boiling point temperature is reached. That is, why does vapor not form throughout the liquid at all temperatures?
Germanium has a cubic unit cell with a side edge of \(565 \mathrm{pm} .\) The density of germanium is \(5.36 \mathrm{g} / \mathrm{cm}^{3}\) What is the crystal system adopted by germanium?
A metal that crystallizes in the body-centered cubic (bcc) structure has a crystal coordination number of (a) \(6 ;\) (b) \(8 ;\) (c) \(12 ;\) (d) any even number between 4 and 12
Silicone oils, such as $\mathrm{H}_{3} \mathrm{C}\left[\mathrm{SiO}\left(\mathrm{CH}_{3}\right)_{2}\right]_{\mathrm{n}} \mathrm{Si}\left(\mathrm{CH}_{3}\right),$ are used in water repellents for treating tents, hiking boots, and similar items. Explain how silicone oils function.
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