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Question
Some commercial drain cleaners contain aluminum chips and sodium hydroxide pellets. When water is added to this mixture a vigorous reaction takes place which is best represented as
A) 2 Al(s) + 6 H+(aq) -> 2 Al3+(aq) + 3 H2(g).
B) 2 Al(s) + 2 OH-(aq) + 6 H2O(l) -> 2 Al(OH)4-(aq) + 3 H2(g).
C) 2 Al(s) + 6 H2O(l) -> 2 Al(OH)3 + 3 H2(g).
D) 2 Al(s) + 3 Cu2+(aq) -> 2 Al3+(aq) + 2 Cu(s).
Answer
This answer is hidden. It contains 1 characters.
Related questions
Q:
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
C) ionic and acidic
D) ionic and basic
Q:
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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.
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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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Q:
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Q:
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Q:
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Q:
Chromium can be electroplated from an aqueous solution containing sulfuric acid and chromic acid, H2CrO4. What current is required to deposit chromium at a rate of 1.25 g/min?
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How many grams of chromium metal are plated out when a constant current of 8.00 A is passed through an aqueous solution containing Cr3+ ions for 40.0 minutes?
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Q:
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Q:
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Q:
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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Q:
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