During an isothermal expansion of an ideal gas, which of the following statement is true?
Answer: The temperature of the gas remains constant
Explanation
In an isothermal process, the temperature of the system remains constant throughout.
Since this expansion occurs at a constant temperature, the internal energy is not changed (for an ideal gas, internal energy is dependent only on temperature).
The work done by the gas during expansion is not zero, and as the gas expands, the pressure decreases.
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