Chapter 15: Water and Aqueous Systems
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| What are three unique characteristics of water? | high surface tension, low vapor pressure and high boiling point.
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| What is surface tension? | the inward force or pull that tends to minimize the surface area of a liquid
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| Any substance that interfers with the hydrogen bonding and water molecules and reduces surface tension is known as what? | surfacant
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| Water that contains dissolved substances is known as what? | aqueous solution
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| What is solvation? | the process by which the possitive and negative ions of an ionic solid become surrounded by solvent molecules.
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| What is a nonelectolyte? | a compound that does not conduct an electric current in either an aqueus solution or the molten state.
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| What is an anhydrous substance? | a substance that does not contain water.
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| A substance that is used to absorb moisture and create a dry atomosphere is known as what? | a desiccant
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| What do hygroscopics do? | remove moisture from the air.
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| What is a nonelectrolyte? | a compound that does not conduct an electric current in either a aqueous solution or the molar state.
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| What is a suspension? | a mixture from which particles settle out upon standing.
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| A heterogenous mixture containing particles that range in size from 1nm to 100nm is called what? | a colloid
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| A colloidal dispersion of a liquid in a liquid is known as what? | emulsion.
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