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Question
An acidic solution at 25C will have a hydronium ion concentration ________ and a pH value ________.A) [H3O+] > 1 10-7 M, pH > 7.00
B) [H3O+] > 1 10-7 M, pH < 7.00
C) [H3O+] < 1 10-7 M, pH > 7.00
D) [H3O+] < 1 10-7 M, pH < 7.00
Answer
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Related questions
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In the following picture of an oxide, darkly-shaded spheres represent oxygen atoms or ions and lightly-shaded spheres represent atoms or ions of a third-row element in its highest oxidation state. Tell whether the oxide is covalent or ionic and whether the oxide is acidic or basic. A) covalent and acidic
B) covalent and basic
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D) ionic and basic
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B) silicon and oxygen form better σ bonds than carbon and oxygen, so Si-O single bonds are stronger than C-O single bonds.
C) carbon and oxygen form better π bonds than silicon and oxygen, so C=O double bonds are stronger than Si=O double bonds.
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Which element shown on the periodic table above forms an interstitial binary hydride with the formula MXx?
A) element A
B) element B
C) element C
D) element D
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B) element B
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D) element D
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When 3.600 grams of anhydrous magnesium chloride were exposed to moist air, water was absorbed by the sample. If the resulting hydrated compound has a mass of 4.962 grams, what is the chemical formula of the hydrate?
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Q:
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Q:
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Q:
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Q:
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Q:
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A steel pipe can be protected from corrosion by attaching the pipe to a piece of magnesium because
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Q:
Which of the following statements concerning the rusting of iron is false?
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B) The metal is reduced.
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Q:
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