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Question
Copper is electroplated from CuSO4solution. A constant current of 4.39 A is applied by an external power supply. How long will it take to deposit 1.00 102g of Cu? The atomic mass of copper is 63.546.A) 19.2 h
B) 13.17 s
C) 1.48 days
D) 9.6 min
E) 2.74 h
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:
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