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pH, Acids, and Bases

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Gabriel Morton

on 30 September 2014

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Transcript of pH, Acids, and Bases

In chemistry, pH is a measure of the acidity or basicity of an aqueous solution. Solutions with a pH less than 7 are said to be acidic and solutions with a pH greater than 7 are basic or alkaline. Pure water has a pH very close to 7.
is a substance that donates hydrogen ions. It neutralizes alkalies dissolves some metals, and turns litmus red; typically, a corrosive or sour-tasting liquid. Reacts with bases to form salts
Strong acids include :
Potential of Hydrogen
pH, Acids, and Bases
is a substance that accepts hydrogen ions. It is a substance that, in aqueous solution, is slippery to the touch, tastes bitter, changes the color of indicators (e.g., turns red litmus paper blue), reacts with acids to form salts, and promotes certain chemical reactions (base catalysis).
Examples of Bases:
Baking Soda
is a solution that resists changes in pH when acid or alkali is added to it. Buffers typically involve a weak acid or alkali together with one of its salts.
1. What number of the pH scale is considered balanced?
2. What is the highest number of acidity?
3. What is the lowest number of a base?
4. Name an example of a base.
5. Name an example of an acid.
By Vanessa Echeverry, Miguel De Real, Marisa Lindis, Gabriel Morton, Emily Padron, and Clara Vasquez
is the capacity of an aqueous solution for neutralizing an acid solution.
Coke Cans in Acids and Bases
1) 7
Acids and Bases
can be described as H+ donors (they dissociate to give H+).

are H+ acceptors (they react with acids to make water and a salt).

2) 0
3) 14
4) Soap, Baking Soda
5) Citrus Fruits
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