In an isothermal process, which of the following statements is true?

Practice Questions

Q1
In an isothermal process, which of the following statements is true?
  1. The temperature remains constant.
  2. The internal energy changes.
  3. Work done is zero.
  4. Heat transfer is zero.

Questions & Step-by-Step Solutions

In an isothermal process, which of the following statements is true?
  • Step 1: Understand what an isothermal process is. It is a process that occurs at a constant temperature.
  • Step 2: Know that in an isothermal process involving an ideal gas, the internal energy depends only on temperature.
  • Step 3: Since the temperature remains constant in an isothermal process, the internal energy of the ideal gas does not change.
  • Step 4: Conclude that the true statement in an isothermal process is that the internal energy of an ideal gas remains constant.
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