Question

what is isothermal compression and expansion?​

Answer 1

In the isothermal compression of a gas there is work done on the system to decrease the volume and increase the pressure. Doing work on the gas increases the internal energy and will tend to increase the temperature. ... For isothermal expansion, the energy supplied to the system does work on the surroundings.

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Answer 2

Answer:

Isothermal compression takes place when the heat of compression is removed during compression and when the temperature of the gas stays constant.

The expansion of air under constant temperature. Since the air does work on expanding, it loses heat; consequently, heat must be added to the air to maintain it at constant temperature.

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