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In an isothermal process, the change in internal energy of an ideal gas is:

Practice Questions

Q1
In an isothermal process, the change in internal energy of an ideal gas is:
  1. Positive
  2. Negative
  3. Zero
  4. Depends on the amount of gas

Questions & Step-by-Step Solutions

In an isothermal process, the change in internal energy of an ideal gas is:
Correct Answer: Zero
  • 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: Therefore, the change in internal energy is zero.
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