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Can you tell? 4.7.3.5 · Q1

Q.When the temperature of a system is increased or decreased in an adiabatic heating or cooling, is there any transfer of heat to the system or from the system?

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No — 'adiabatic' means Q = 0; the temperature changes entirely because of work done on or by the gas, with no heat crossing the boundary.

In an adiabatic process, by definition, there is no exchange of heat with the surroundings (Q = 0). The temperature of the gas still changes — it rises on compression and falls on expansion — but this happens because work is done on or by the gas, changing its internal energy, not …

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