Term
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Definition
| two water molecules produce a hydronium ion and a hydroxide ion by transfer of a proton |
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Term
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Definition
| 1.0 x 10^-7 M = mol solute/Liter solute |
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Term
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Definition
[h3o+][OH-]
[1.0x10^-7][1.0x10^-7]
1x10^-14 M^2 |
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Term
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Definition
| any solution inb which hydronium and hydroxide ion concentrations are the same is ___________ |
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Term
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Definition
| solutions in which the hydronium ion concentraion is greater that the hydroxide concentration |
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Term
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Definition
| solutions in which the hydroxide ion concentration is greater that the hydronium ion concentration is ______ |
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Term
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Definition
| if the hydronium concentration is increased to over 1x10^-7, then the solution is _________ |
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Term
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Definition
| if the hydronium concentration is less than 1x10^-7, then the solution is _________ |
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Term
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Definition
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Term
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Definition
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Term
| if yu kno the pH and yu want the separate hydronium and hydroxide concentration, use antilog. |
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Definition
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Term
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Definition
| compounds whose colors are sensitive to pH |
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Term
| write general equilibrium expression of an indicator |
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Definition
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Term
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Definition
| in acidic solutoins, the indicator is present in largely non-ionized form, or _____ |
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Term
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Definition
| in basic solutions, the indicator is present largely in the form of its anion, or _______ |
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Term
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Definition
| the pH range over which an indicator changes color is called its _____- |
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Term
| mixing several different indicators |
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Definition
| universal indicators are made by _______________ |
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Term
| voltage between the two electrode that are placed in the solution |
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Definition
| a pH meter determines the pH of a solution by measuring ____________ |
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Definition
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Definition
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Term
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Definition
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Term
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Definition
| adding a known amount of a substance to an unknown amout of another substance to calculate the unknown amount |
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Term
| very rapid change in titrations |
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Definition
| it is a very rapid change that occurs when H+ and OH- ions are changing |
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Term
| describe the rate of change in a titration |
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Definition
| speed of pH is slow at first. it gets faster, then speeds rapidly, and evens back out after the end point |
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Term
| titrations provide a sensitive means of determining the chemical equivalent volumes of acidic and basic solutions |
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Definition
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Term
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Definition
| the _______ is the pont at which the two solutions used in a titration are present in chemically equivalent amount |
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Term
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Definition
| a _________ will show a lare voltage charge occuring ath the equivallence point |
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Term
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Definition
| when a strong acid is titrated with a strong base, the equivalence point occurs at about _____- |
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Term
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Definition
| when a strong acid is titrated with a strong base, the equivalence point occurs at about _____- |
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Term
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Definition
| when a strong acid is titrated with a weak base, the equivalence point has a pH ____________ |
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Term
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Definition
| when a strong base is titrated with a weak acid, the equivalence point occurs at a pH of about __________ |
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Term
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Definition
| the solution that contains the precisely known concentration of a solute |
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Term
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Definition
| a highly purified solid compound used to check the concentration of the known solution in a titration |
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