456 cards
When [A - ] = [HA] at the half-equivalence point , log(1) = ____.
When [____) = 0, so pH = pK a .
The ____, is the point of the buffering region, in which half the titrant has been protonated or deprotonated .
The half-equivalence point, also known as the midpoint, is the point of the ____
The ____ is the point at which equivalent amounts of acid and base have reacted.
The equivalence point is the point at which ____
In a titration , the ____) until the reaction is complete.
In a titration , the titrant (aka the known solution) is added from a ____ to a certain quantity of the analyte/titrand (aka the unknown so…
In a titration , the titrant (aka the known solution) is added from a burette to a certain quantity of the analyte/titrand (aka the unknown…
The graph above shows the titration curve of a ____.
The graph above shows the titration curve of a w____.
The graph above shows the titration curve of a ____.
The graph above shows the titration curve of a w____.
____ are weak acids or bases that display different colors in the protonated and deprotonated forms.
Indicators are ____ that display different colors in the protonated and deprotonated forms.
Indicators are weak acids or bases that display ____ in the protonated and deprotonated forms.
Indicators are weak acids or bases that display different colors in the ____ forms.
When choosing a titration indicator , you want to select an indicator that changes color in a range close to your ____.
When choosing a titration indicator , you want to select an indicator that ____ in a range close to your equivalence point.
In an acid : ____
In ____: red litmus paper has no change of color blue litmus paper changes its color to red
In an base : ____
In ____: blue litmus paper has no change of color red litmus paper changes its color to blue
In a/an ____ solution, both red and blue litmus paper have no change in color.
In a/an neutral solution, both red and blue litmus paper have ____
Universal litmus paper turns ____ in alkalinic solutions.
Universal litmus paper turns red, orange or yellow in ____ solutions.
Phenolphthalein is colorless up to a pH of ____ and after that it becomes purple.
____ is colorless up to a pH of 8.2 and after that it becomes purple.
Phenolphthalein is ____.
Methyl orange is red at a pH less than ____.
____ is red at a pH less than 3.1 and is yellow at a pH greater than 4.4.
Methyl orange is ____ at a pH greater than 4.4.
Bromophenol blue is yellow up to a pH of ____.
____ is yellow up to a pH of 6 and is blue at any pH greater than 8.
Bromophenol blue is ____ at any pH greater than 8.
The endpoint of a titration is when ____.
The ____ of a titration is when the indicator reaches full color.
Titrations of a/an ____ show multiple buffering regions and equivalence points.
Titrations of a/an polyvalent acid or base show ____
At the half-equivalence point (aka midpoint) of a titration, pH = ____.
At the ____ of a titration, pH = pK a .
Any free element or diatomic species has an oxidation number of ____.
Any ____ has an oxidation number of 0.
A monatomic ion has an oxidation charge that equals ____.
When in a compound, metals have the following oxidation states: Group 1A metals = ____.
When in a compound, group 7A metals have an oxidation state of ____ unless combined with an element of greater electronegativity.
When in a compound, group 7A metals have an oxidation state of -1 unless ____.
The oxidation state of hydrogen in a compound is ____.
The oxidation state of hydrogen in a compound is +1, except for ____, in which the oxidation state for H is -1.
The oxidation state of oxygen in a compound is ____.
The oxidation state of oxygen in a compound is -2, except for ____, in which the oxidation state for O is -1.
The sum of the oxidation numbers in a neutral compound is ____.
The sum of the oxidation numbers in a polyatomic ion is equal to ____.
The ____ shows all of the ions present in a reaction including spectator ions.
The complete ionic equation shows ____.
The ____ is a chemical equation for a reaction which lists only those species participating in the reaction .
The net ionic equation is a chemical equation for a reaction which lists ____
____, is a REDOX reaction where a molecule is transformed into two or more dissimilar products .
Disproportionation, also known as dismutation, is a ____ reaction where a molecule is transformed into two or more dissimilar products .