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27 Cards in this Set
- Front
- Back
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Two exceptions to solid density
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Water, ammonia
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Liquids that are soluble mix _____
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homogenously
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temporary dipole attraction force between molecules, only type of of attraction that can exist between nonpolar molecules
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dispersion force
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a permanent ___ ___ operates between polar molecules
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dipole force
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the pressure exerted by the gas molecules above a liquid
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vapor pressure
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the temp at which the vapor pressure equals standard atmospheric pressure
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boiling point
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liquids that have ___ boiling points have ___ vapor pressure
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high, low
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the resistance of liquid to flow
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viscosity
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the attraction between the surface molecules in a liquid is called
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surface tension
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a ___ ____ contains particles arranged in a regular repeating pattern
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cystalline solid
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solids have a slightly ____ density than their corresponding liquids (exception is water)
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higher
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an ionic compound composed of positive and negative ions
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crystalline ionic solid
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a crystalline ___ ____ has molecules arranged in a particular configuration
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molecular solid
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a crystalline ___ ___ has atoms of metals arranged in a definite pattern
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metallic solid
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the amount of heat to melot 1.00g of substance is called the ___ __ ___
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heat of fusion
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t5he amount of heat required to vaporize 1.00g of a substance is called the ___ ___ ____
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heat of vaporization
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the heats of condensation and vaporization are ___
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equal
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the angle formed by the central atom and two attached atoms is referred to as the __ ___
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bond angle
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the single, overall dipole for a molecule having two or more dipoles is called the ___ ___
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net dipole
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the density of ice is ___ than the the density of water
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less than
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As molecular size increases, attractive forces ____ ____
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increase slightly
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passing electricity through water to produce hydrogen and oxygen gasses
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electrolysis
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C3H8(g)+3O2-spark->
3CO2(g)+4H2O(g) |
combustion
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a ___ is a crystalline compound that contains a specific # of water moleculesattracted to an ionic formula unit
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hydrate
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heating a hydrate drives off the water and produces an _____ compound
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anhydrous
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water molecules in the hydrate are referred to as the ___ __ __
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water of hydration
(water of crystallization) |
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a ____ combines with water to form an acidic solution
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nonmetal hydroxide
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