Chem Test Ch 15
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| solution | a homogenous mixture
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| solvent | the dissolving medium in a solution
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| solute | the substance dissolved in the solvent to make a solution
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| aqueous solution | a solution with water as the solvent
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| polarity | the tendency of a compound to have opposite ends with different charges
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| ionic bond | the chemical bond that results from the electrostatic attraction between positive metal ions (cations) and negative nonmetal ions (anions)
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| ionic bonding | a type of bonding between oppositely charged ions
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| covalent bond | the chemical bond that results from two nonmetals sharing electrons
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| covalent bonding | a type of bonding in which atoms share electrons
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| nonpolar covalent | the electrons are shared equally between the two atoms
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| polar covalent | the electrons are shared unequally between the two atoms
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| saturated solution | a solution that contains as much solute as can be dissolved in that solution at that temperature
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| unsaturated solution | a solution in which more solute can dissolve than is already dissolved at that temperature
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| supersaturated solution | a solution that contains more solute than a saturated solution can hold at that temperature
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| concentrated | a solution in which a relatively large amount of solute as can be dissolved in that solution
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| dilute | a solution in which a relatively small amount of solute is dissolved in a solution
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| mass percent | the mass of solute present in a given mass of solution represented as a percent
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| molarity | the number of moles of solute per liters of solution
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| standard (stock) solution | a solution whose concentration is accurately known
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| dilution | the process of adding solvent to a solution to lower the concentration of solute
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| titrant | solution that is being added to the titration
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| indicator | a plant dye that changes color at a certain pH
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| endpoint | point at which the indicator changes color
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| equivalence point | point in titration when enough titration has been added to react exactly with the substance in solution that is being titrated
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| standardization | finding the exact concentration of a solution by titrating it against a known standard
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| neutralization reaction | an acid-base reaction
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| equivalent of an acid | the amount of acid that can furnish one mole of hydrogen ions (H+)
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| equivalent of a base | the amount of base that can furnish one more of hydroxide (OH-)
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| equivalent weight | the mass (in grams) of one equivalent of an acid or a base
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| normality (N) | the number of equivalents per liter of solution
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| boiling point elevation | when solute is added, it raises the boiling point
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| freezing point depression | when solute is added, it lowers the freezing point
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| colligative property | a property that is dependent only on the number of solute particles present in the solution
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| solubility | "like dissolves like"
factors that affect solubility - polarity, surface area, stirring, temperature
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
meg.minor.15
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