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Acids, Bases, and pH - Coggle Diagram
Acids, Bases, and pH
Acid-base reaction
type of chemical process typified by the exchange of one or more hydrogen ions between neutral molecules such as water.
Chemical reaction where it show in water solution, a sharp taste, a corrosive action on metals, and can show the ability to turn blue vegetables to red.
When acids and bases neutralize each other, it produces salts.
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Example: Nitric acid reacts with sodium carbonate to form sodium nitrate, carbon dioxide and water.
Base
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"A base is a substance that contains hydroxide group and dissociates to produce hydroxide ion in aqueous solution." (Arrhenius, S. 1883)
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Weak Bases ionize only partially in aqueous solution to form conjugate acid of the base and hydroxide ion.
Base ionization
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Kb is the base ionization constant for the ionization of a base. The smaller the value for Kb is, the weaker the base is.
Acids
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"An acid is a substance that contains hydrogen
and ionizes to produce hydrogen ions in aqueous solution." (Arrhenius, S. 1883)
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PH
Analogy
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The side that has more atoms than the other, will overpower the other and determine whether a substance is an acid or a base
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To measure pH we can:
Use a portable electric tool such as this one: This tool must be calibrated before use with a neutral substance such as water.
We can also use universal indicator paper strips to indicate the pH of a substance. The paper will turn a certain color according to its pH. This is a common way to measure pH as it tends to be accessible and convenient.
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