pt 5: NYS Chemistry Regents Essential VOCAB

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Acids, Bases, and PH

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10 Terms

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Acid

a substance that donates protons (H+) or accepts electron pairs

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Base

a substance that accepts protons (H+) or donates electron pairs

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Buffer

a solution that resists changes in pH when small amounts of acid or base are added

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Conjugate Acid-Base Pair

two species that differ by one proton (H+)

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Hydronium Ion

H3O+, the form of H+ in aqueous solution

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Neutralization

a reaction between an acid and base to form water and a salt

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pH

a scale measuring hydrogen ion concentration; pH = -log[H+]

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Strong Acid/Base

completely ionizes in water

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Titration

a procedure to determine concentration by adding measured amounts of reagent

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Weak Acid/Base

Partially ionizes in water