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← ScienceWhich outcome occurs when the adiabatic compression of freon nears the critical point in a refrigeration cycle?
A)Isothermal transition becomes more efficient
B)Temperature rise becomes less predictable✓
C)Minimum pressure increases exponentially fast
D)Evaporator coil undergoes catastrophic failure
💡 Explanation
Near the critical point, the distinction between liquid and gas phases disappears; therefore, the **heat capacity** diverges due to increased density fluctuations, causing temperature changes during adiabatic compression to vary more erratically, rather than following a standard adiabatic curve.
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