Question: In which process does a gas do work on its surroundings?
Options:
Isothermal expansion
Adiabatic compression
Isochoric process
Isobaric process
Correct Answer: Isothermal expansion
Solution:
In isothermal expansion, a gas does work on its surroundings as it expands.
In which process does a gas do work on its surroundings?
Practice Questions
Q1
In which process does a gas do work on its surroundings?
Isothermal expansion
Adiabatic compression
Isochoric process
Isobaric process
Questions & Step-by-Step Solutions
In which process does a gas do work on its surroundings?
Step 1: Understand what is meant by 'gas doing work'. This means the gas is pushing against something, like the walls of a container.
Step 2: Learn about 'isothermal expansion'. This is when a gas expands at a constant temperature.
Step 3: Recognize that during isothermal expansion, the gas pushes against the walls of its container as it expands.
Step 4: Conclude that in this process, the gas is doing work on its surroundings by moving the walls outward.
Isothermal Expansion – A process in which a gas expands at a constant temperature, doing work on its surroundings as it pushes against external pressure.
Work Done by Gas – The energy transferred when a gas expands against an external force, typically calculated as the product of pressure and change in volume.
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