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baam
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magnet
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shark
Other team loses 20 points!
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lifesaver
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15
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At 25°C (room temperature), the value of Kw is ________.
1.00 Ã 10^7
1.00 Ã 10^14
1.00 Ã 10^-7
1.00 Ã 10^-14
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15
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According to Bronsted-Lowry theory, acid-base reactions can be described as ________ reactions.
proton transfer
ion transfer
electron transfer
nuclear transfer
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monster
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magnet
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rocket
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baam
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15
×
Which solution is basic?
[H3O+] = 1.0 Ã 10^-4
[OH-] = 1.0 Ã 10^-7
[OH-] = 1.0 Ã 10^-10
[H3O+] = 1.0 Ã 10^-10
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15
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Which of the following is a triprotic acid?
NH3
H3PO4
HNO3
CH3COOH
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15
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A necessary requirement for a Bronsted base is:
the presence of a metal ion in its formula.
the presence of water as a reaction medium.
a lone pair of electrons in its Lewis dot structure.
the presence of hydroxide in its formula.
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15
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Acetic acid is a weak acid in water because it is
only slightly soluble.
completely dissociated into hydronium ions and acetate ions.
unable to hold onto its hydrogen ion.
only slightly dissociated into ions.
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heart
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gift
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gift
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baam
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15
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Which compound has a very large value of Ka in aqueous solution?
KOH
HNO3
H3PO4
NH3
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