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Which of the following statements about electrochemical cells is true?

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Question: Which of the following statements about electrochemical cells is true?

Options:

  1. They convert chemical energy to electrical energy
  2. They only work in acidic solutions
  3. They cannot be reversed
  4. They require a vacuum to operate

Correct Answer: They convert chemical energy to electrical energy

Solution: 

Electrochemical cells convert chemical energy into electrical energy during spontaneous reactions.

Which of the following statements about electrochemical cells is true?

Practice Questions

Q1
Which of the following statements about electrochemical cells is true?
  1. They convert chemical energy to electrical energy
  2. They only work in acidic solutions
  3. They cannot be reversed
  4. They require a vacuum to operate

Questions & Step-by-Step Solutions

Which of the following statements about electrochemical cells is true?
  • Step 1: Understand what an electrochemical cell is. It is a device that can convert chemical energy into electrical energy.
  • Step 2: Learn that electrochemical cells work during spontaneous reactions, which means reactions that happen naturally without needing extra energy.
  • Step 3: Recognize that when these spontaneous reactions occur in the cell, they produce electricity.
No concepts available.
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