Physical Science - Chapter 10
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28 Terms
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Buffer
a weak acid or base in solution that resists changes in pH when a moderate amount of either an acid or base is added.
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Indicator
a substance that changes color in the presence of an acid or base.
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Neutralization
a double- replacement reaction between an acid and a base that produces a salt and water.
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pH
a unitless number between 0 and 14 that tells how acidic or basic a substance is.
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Acid
a substance that produces hydrogen ions in an aqueous solution.
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Salt
an ionic compound formed by a combination of cations and anions.
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Hydroxide ion
an ion formed by oxygen and hydrogen.
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Aqueous solution
a water- based solution.
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base
a substance that produces hydroxide ions in an aqueous solution.
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acid
a substance that produces hydrogen ions in an aqueous solution
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aqueous solution
a water-based solution
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hydronium ion
an ion formed by the combination of a water molecule and a hydrogen ion
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indicator
a substance that changes color in the presence of an acid or base
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base
a substance that produces hydroxide ions in an aqueous solution
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hydroxide ion
an ion formed by oxygen and hydrogen
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strong acid
an acid in which all or most of the molecules produce hydrogen ions in an aqueous solution
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weak acid
an acid that produces few hydrogen ions in an aqueous solution
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strong base
a base that readily produces large numbers of hydroxide ions in an aqueous solution
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weak base
a base that produces few hydroxide ions in an aqueous solution
20
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pH
a unitless number between 0 and 14 that tells how acidic or basic a substance is
21
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buffer
a weak acid or base in solution that resists changes in pH when a moderate amount of either an acid or base is added
22
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salt
an ionic compound formed by a combination of cations and anions
23
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neutralization
a double-replacement reaction between an acid and a base that produces a salt and water
24
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hydronium ion
an ion formed by the combination of a water molecule and a hydrogen ion
25
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strong acid
an acid in which all or most of the molecules produce hydrogen ions in an aqueous solution
26
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weak acid
an acid that produces few hydrogen ions in an aqueous solution
27
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strong base
a base that readily produces large numbers of hydroxide ions in an aqueous solution
28
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weak base
a base that produces few hydroxide ions in an aqueous solution
Flashcards (31)