chemistry : acids bases and salts
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t/f: an aqueous solution of acids causes red litmus paper to turn blue.
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false
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t/f: an acidic solution contains more hydroxide ions than hydrogen ions.
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false
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t/f: acids add flavor to many beverages and foods.
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true
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t/f: acid solutions taste bitter and basic solutions taste sour.
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false
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t/f: acids and bases have the ability to conduct electricity.
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true
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t/f: the relative amounts of hydrogen and hydroxide ions determine whether an aqueous solution is acidic, basic or neutral.
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true
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t/f: a conjugate acid is produced when an acid accepts a hydrogen ion.
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false
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t/f: substances that can act both an acid and a base are said to be amphoteric.
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true
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t/f: the Arrhenius model states that acids and bases share electron pairs.
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false
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t/f: An acid is an ion or molecule with a lone electron pair tat it can donate or share.
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false
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t/f: an acid anhydride is an oxide that can combine with water to form a base.
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false
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t/f: conjugate acid and bases react to form Bronsted- Lowry acids and bases.
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false
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t/f: in solution, strong acids and bases ionize completely, but weak acids and bases ionize only partially.
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true
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t/f: a single arrow in a reaction means that the reaction goes to completion.
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true
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t/f: weak acids produce fewer ions than strong acids and cannot conduct electricity as well.
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true
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t/f: in a typical reaction, if the reacting acid is strong, the base produced is strong.
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false
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t/f: An aqueous solution of acids causes red litmus paper to turn blue.
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false
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t/f: a neutral solution contains more hydroxide ion than hydrogen ions.
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false
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when acids react with metals, they produce _____ gas.
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hydrogen
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a basic solution contains more ____ions than hydrogen.
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hydroxide
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a __ Is produced when a base accepts a hydrogen ion from an acid.
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conjugate acid
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the ___ of a weak acid is strong.
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conjugate base
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what is the pH of blood, given the hydrogen ion concentration is 4.0 x 10^-8M?
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7.4
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calculate the hydrogen ion concentration of an aqueous solution, given the concentration of hydroxide ions is 1 X 10^-5 and the ion constant for water is 1 X 10^-14.
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1 X 10^-9
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an acid that can donate only one hydrogen ion is called a _____ acid.
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monoprotic
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in the bronsted- lowry model of acids and bases, an ___ is a hydrogen donor and a ___ is a hydrogen acceptor.
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acid, base
