Answered

Which statement best describes the isothermal process?

A. The temperature remains constant.
B. The temperature increases at a constant rate.
C. Heat flows at a constant rate into the system.
D. Heat flows at a constant rate out of the system.
E. Heat flows into or out of the system.



Answer :

Final answer:

An isothermal process involves a system with a constant temperature and heat exchange. It contrasts with adiabatic processes that involve no heat exchange.


Explanation:

An isothermal process is a change of a system where the temperature remains constant: ΔT = 0. This occurs when the system is in contact with an outside thermal reservoir, allowing for continual temperature adjustment through heat exchange. In contrast, an adiabatic process has no heat exchange. In an isothermal process, ΔT = 0 but heat (Q) ≠ 0.


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