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

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

Options:

Correct Answer: The temperature remains constant.

Solution:

In an isothermal process, the temperature remains constant, which means the internal energy of an ideal gas does not change.

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

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.

Isothermal Process – An isothermal process is a thermodynamic process in which the temperature of the system remains constant throughout the process.
Internal Energy of Ideal Gas – For an ideal gas, the internal energy is a function of temperature only; thus, if the temperature is constant, the internal energy does not change.