In an isothermal process, how does the internal energy of an ideal gas change?

Practice Questions

Q1
In an isothermal process, how does the internal energy of an ideal gas change?
  1. Increases
  2. Decreases
  3. Remains constant
  4. Depends on the amount of gas

Questions & Step-by-Step Solutions

In an isothermal process, how does the internal energy of an ideal gas change?
  • Step 1: Understand what an isothermal process is. It is a process where the temperature of the system remains constant.
  • Step 2: Know that for an ideal gas, the internal energy depends only on temperature.
  • Step 3: Since the temperature does not change in an isothermal process, the internal energy also does not change.
  • Step 4: Conclude that in an isothermal process for an ideal gas, the internal energy remains constant.
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