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satela [25.4K]
4 years ago
10

An electrolytic cell Group of answer choices consumes electrical current to drive a nonspontaneous chemical reaction. produces e

lectrical current from electricity. produces electrical current from a nonspontaneous chemical reaction. produces electrical current from a spontaneous chemical reaction. consumes electrical current to drive a spontaneous chemical reaction
Chemistry
1 answer:
Rzqust [24]4 years ago
3 0

Answer:

produces electrical current from electricity. produces electrical current from a nonspontaneous chemical reaction.

Explanation:

An electrolytic cell converts electrical energy into chemical energy. Here, the redox reaction is spontaneous and is responsible for the production of electrical energy. The reaction at the anode is oxidation and that at the cathode is reduction. Here, the anode is positive and the cathode is the negative electrode.

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A 21.5 g sample of nickel was treated with excess silver nitrate solution to produce silver metal and nickel(II) nitrate. The re
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The mass of nickel is 36.5g metal.

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21.5g Ni / 58.69g = 0.366mol Ni

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But, 2molAg per 1 mol Ni, so, change in mass is more like...

Twice as many moles Ag as Ni, and then the mass relationship is 107.87g Ag / 58.69, but due to the 2Ag: 1Ni mol ratio, the change in mass is like:

107.87(2) / 58.69 = 3.68 times increase

So, the final mass of Ag is 3.68x, and the change in mass of Ni is x

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21.5 - 5.597 = 15.903g Ni

20.59g Ag + 15.903g Ni = 36.5g metal

The mass of nickel is 36.5g metal.

Learn more about reactions here: brainly.com/question/16416932

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