Media Portfolio

Chapter 14
Solutions

14-02

Title	Solution diagram of closed container of molecules
Caption	In a solution, the molecules of solute (such as sugar) are randomly distributed among the solvent (often water) molecules.
Keywords	solution, solute, solvent, homogeneous, mixture

14-03

Title	Ionic compound dissolving in water
Caption	When sodium chloride - or any other ionic compound - dissolves in water, each ion becomes completely separated from the solid crystal and becomes hydrated (surrounded by water molecules). Notice the difference in orientations of water molecules that surround the hydrated ions.
Keywords	ionic compound, dissolve, solvent, solute, solution, hydrated

14-04

Title	Immiscible liquids
Caption	Oil floats on water as shown in the photo and the diagram. The two liquids are immiscible because the oil has large, nonpolar molecules that are not attracted to the polar water molecules as greatly as water molecules are attracted to one another. For these liquids, polarities are not alike.
Keywords	immiscible, liquids, polar, nonpolar, dissolve, solvent, solute, hexane, water, hydrocarbon

14-06

Title	Solubility of solids
Caption	The effect of temperature on the solubility of several solids in water is shown in the graph.
Keywords	solid, solubility, graph, temperature, water

14-08

Title	Heating water
Caption	Bubbles of air form when a beaker of water is heated (not boiled).
Keywords	water, solubility, temperature, heat, solute, boil, gas bubbles

14-09

Title	Oxygen solubility versus temperature
Caption	The graph shows the solubility of oxygen in water at various temperatures at 1 atm of pressure.
Keywords	water, oxygen, solubility, temperature, solute, gaseous

14-10

Title	Oxygen solubility versus pressure
Caption	The graph shows the solubility of oxygen in water at various pressures at a temperature of 25oC.
Keywords	solubility, water, oxygen, pressure, solute, carbonated, bevarage

14-12

Title	Preparing a solution with a given molarity
Caption	To prepare 1.00 L of a solution of specified molarity, (a) obtain the appropriate mass of solute, (b) transfer the solid to a 1.00-L volumetric flask that is partly filled with distilled water, (c) add enough water to fill the flask to the 1.00-L mark. Once the solution is thoroughly mixed, it is ready to be placed in an appropriately labeled bottle for laboratory use.
Keywords	solution, preparation, molarity, volumetric flask, distilled water

14-16

Title	Sieve model of osmosis
Caption	The sieve modle of osmosis holds that the semipermeable membrane has pores large enough to permit the passage of small solvent molecules such as water but too small to permit the passage of larger molecules. The net flow of solvent is through the memberane into the compartment that has the greater concentration of solute.
Keywords	sieve model, osmosis, solvent, solute, semipermeable, membrane, diffuse, spontaneous

Title	Dissolution of KMnO4
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Title	Dissolution of Mg(OH)2 by Acid
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Title	Dissolution of NaCl in Water
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Title	Paper Chromatography of Ink
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