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10.5 End-of-Chapter Material
Additional Exercises
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All other things being equal, rank the intermolecular forces in order of increasing strength.
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Which subatomic particles (protons, neutrons, electrons) are most responsible for intermolecular forces? Explain your answer.
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Can a molecule experience more than one intermolecular force at the same time? Why or why not?
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Of the properties boiling point, structure of the solid phase, and molar mass, which are influenced by hydrogen bonding? Explain your answer.
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How many grams of solid water can be melted with 1.55 kJ of energy?
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How many grams of Hg can be vaporized using 29,330 J of energy?
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Another way to minimize freezer burn is to wrap food tightly before freezing. Why would this minimize freezer burn?
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The ΔHsub of naphthalene (C10H8) is 72.6 kJ/mol. What energy is needed to sublime 100.0 g of C10H8?
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Which do you think would have a higher surface tension—liquid neon or liquid krypton? Explain your answer.
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Under what condition would a liquid not show either capillary rise or capillary depression?
Answers
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dispersion forces < dipole-dipole interactions < hydrogen bonding < ionic bonding
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Yes, but one intermolecular force usually dominates.
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4.64 g
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Water in the vapor phase has no space to evaporate into.
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liquid krypton because it would have stronger dispersion forces
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