What is the work done on a gas during an isothermal compression? (2019)

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Question: What is the work done on a gas during an isothermal compression? (2019)

Options:

Correct Answer: Positive

Exam Year: 2019

Solution:

The work done on a gas during isothermal compression is positive, as work is done on the gas to compress it.

What is the work done on a gas during an isothermal compression? (2019)

What is the work done on a gas during an isothermal compression? (2019)

Step 1: Understand what isothermal means. Isothermal means that the temperature of the gas remains constant during the process.
Step 2: Know what compression means. Compression is when the volume of the gas decreases because pressure is applied to it.
Step 3: Recognize that when you compress a gas, you are doing work on it. This means you are applying force to reduce its volume.
Step 4: Remember that work done on the gas is considered positive. This is because energy is being added to the gas as it is compressed.
Step 5: Conclude that during isothermal compression, the work done on the gas is positive because you are applying pressure to decrease its volume while keeping the temperature constant.

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