Practice Faraday’s First Law (3.9.2) - Chapter 3: Electrochemistry

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6 sample questions

Question 1.
What does Faraday's First Law state?
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Think about the relationship between mass and electricity.
Question 2.
Write the equation for Faraday's First Law.
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Remember what each variable represents.
3Question 3.
What is the relationship described in Faraday's First Law?
- Mass is inversely proportional to charge
- Mass is directly proportional to charge
- Mass is independent of charge
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Look for which relationship fits the law.
4Question 4.
True or False: The electrochemical equivalent of a substance is constant.
- True
- False
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Think about whether this value changes.
Question 5.
You have an electrolytic cell that deposits 15 grams of aluminum when 25,000 coulombs of charge is passed through it. Calculate the electrochemical equivalent of aluminum. (Molar Mass of Al = 27 g/mol)
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Use the relationship W = Z Q.
Question 6.
During an experiment, 2.5 g of lead is deposited in 4 minutes using a current of 1.5 A. What is the electrochemical equivalent of lead?
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Convert grams appropriately and set up the equation carefully.

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