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science chapter 7

Acids, Bases, and Solution

solution a well mixed mixture containing a solvent and at least one solute that has the same properties throughout
solvent the part of a solution that is present in the largest amount a dissolves a solute
solute the part of a solution present in a lesser amount and dissolved by the solvent
colloid a mixture containing small, undissolved particles that do not settle
suspension A mixture in which particles can be seen and easily separated by settling or filtration
dilute solution a mixture that has only a little solute dissolved in it
concentrated solution a mixture that has a lot of solute dissolved in it
solubility a measure of how much a solute can dissolve in a given solvent at a given temperature
saturated solution a mixture that contains as much dissolved solute as is possible at a given temperature
unsaturated solution a mixture that contains less than is possible at a given temperature
supersaturated solution a mixture that has more dissolved solute than is predicted by its at a given temperature
acids a substance that taste sour, reacts with metal and carbonates, and turns blue litmus red
corrosive the way in which acids react with some with some metal so as to eat away the metal
indicator a compound that changes color in the presence of an acid or an base
bases a substance that taste bitter, feels slippery, and turns red litmus paper blue
hydrogen ion a positively charged ion formed of a hydrogen atom that has lost its electrons
hydroxide ion a negatively charged ion made of oxygen and hydrogen
pH scale a range of values used to express the concentration of hydrogen ions in a solution
neutralization a reaction of an acid with an base , yielding a solution that is not acidic or basic as the starting solutions were
salt an ionic compound made from the neutralization of an acid with a base
digestion the process that breaks down complex molecules of food into smaller molecules
mechanical digestion the physical process that tears, grinds, and smashes large pieces of food into smaller ones
chemical digestion the process that breaks large molecules in food into smaller molecules
Created by: 088103


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