What is the work done by a gas during isothermal expansion?

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Question: What is the work done by a gas during isothermal expansion?

Options:

Correct Answer: Is equal to the heat absorbed

Solution:

During isothermal expansion, the work done by the gas is equal to the heat absorbed, as the internal energy remains constant.

What is the work done by a gas during isothermal expansion?

What is the work done by a gas during isothermal expansion?

Step 1: Understand that isothermal expansion means the gas expands at a constant temperature.
Step 2: Know that during this process, the internal energy of the gas does not change.
Step 3: Recognize that when the gas expands, it does work on its surroundings.
Step 4: Remember that the work done by the gas is equal to the heat it absorbs from the surroundings.
Step 5: Conclude that in isothermal expansion, the work done by the gas equals the heat absorbed.

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