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← ScienceWhich outcome occurs when rapid depressurization follows propane tank’s liquid phase?
A)Adiabatic cooling induces self-refrigeration✓
B)Isothermal expansion increases vapor pressure
C)Superheated vapor phase becomes unstable
D)Endothermic reaction increases internal energy
💡 Explanation
Adiabatic cooling occurs because rapid expansion leads to a temperature drop, where the internal energy decreases as propane evaporates. Therefore, the system self-refrigerates, rather than undergo isothermal expansion or an endothermic reaction which would require heat input.
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