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

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Question: In an isothermal process, the change in internal energy is:

Options:

Correct Answer: Zero

Solution:

In an isothermal process, the temperature remains constant, hence the change in internal energy is zero.

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

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

Step 1: Understand what an isothermal process is. It is a process that occurs at a constant temperature.
Step 2: Recall that internal energy is related to the temperature of a system.
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.

Isothermal Process – An isothermal process is a thermodynamic process in which the temperature of the system remains constant throughout the process.
Internal Energy – Internal energy is the total energy contained within a system, which depends on the temperature and the number of particles in the system.
First Law of Thermodynamics – The first law states that the change in internal energy of a system is equal to the heat added to the system minus the work done by the system.