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Acids and Bases
Test 5 -Science
Terms in this set (27)
The pH of blood should be between
One of the first theories to explain acids and bases put forwards in 1887 by the Swedish chemist
Svante Arrhenius proposed that the properties of the aqueous solutions of acids and bases are due to
the hydrogen ion (H+) and the hydroxide ion(OH-) respectively
When. Dissolved in water acids has the following properties:
1.) conduct electricity
2.) litmus dye -> blue to red
3.) phenolphthalein-> clear
4.) sour taste (NEVER TASTE AN ACID)
5.) React with and neutralizes a base
6.) reacts with active metals, liberating H2 gas
When dissolved in water a BASE has the following properties
1.) conducts electricity
2.) litmus dye -> red to blue
3.) phenolphthalein ->pink
4.) reacts with and neutralize an acid
blue to red litmus paper
red to blue litmus paper
Litmus paper that is dipped in neutral
Early in history of chemistry, substances were classified as _____ or ____.
acids or bases
Who developed Lewis Acid in 1923?
Lewis acid is any species that _______ and _____ lone pair electrons
accepts and donates
Metals above hydrogen in the activity series will undergo a single-replacement reaction with acids, giving off hydrogen (H2) gas and a salt of the metal.
Single-Replacement Reaction with Acids
Both acid-base and acid-carbonate are types of ___________
double replacement reactions
An acid and a carbonate or hydrogen carbonate react to give CO2, H2O, and a salt.
When an acid is brought in contact with a base its characteristic properties disappear (or visa versa)
An acid and a hydroxide base react to produce ____ and ____
water and salt
A salt is an ionic compound composed of any cation except H+ and any anion except
Most body fluids of a healthy person must remain in a very narrow range on the__________
the pH of different body fluids may be used as a
Oh a pH scale, if 7 means neutral than anything LESS than 7 is ...
Oh a pH scale, if 7 means neutral than anything GREATER than 7 is ...
What does pH stand for?
Power of hydrogen
a logarithmic measure of the concentration of the hydrogen ion
The pH of a solution
The relative acidity or basicity of a solution is
commonly designated by citing the pH
higher concentration of H3O+
Higher concentration of OH-
Strong acids ionize more completely and
conduct electricity beter
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