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Question
A zinc-copper voltaic cell is represented as follows:
Zn(s) | Zn2+(1.0 M) || Cu2+(1.0 M) | Cu(s)
Which of the following statements is false?
A) The copper electrode is the anode.
B) Reduction occurs at the copper electrode during discharge.
C) The mass of the zinc electrode decreases during discharge.
D) Electrons flow through the external circuit from the zinc electrode to the copper electrode.
E) The concentration of Cu2+decreases during discharge.
Answer
This answer is hidden. It contains 1 characters.
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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:
If a reaction is first-order with respect to a particular reactant, when the concentration of that reactant is increased by a factor of 2, the reaction rate will _____.
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Q:
For a certain first-order reaction with the general form aA → products, the rate is 0.32 M·s-1 when the concentration of the reactant is 0.29M. What is the rate constant for this reaction?A) 0.26 s-1B) 1.1 s-1C) 0.32 s-1D) 3.1 s-1E) 3.8 s-1