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← ScienceWhich outcome occurs when a closed cryogenic tank containing liquid helium experiences rapid depressurization?
A)Solidification due to adiabatic cooling
B)Boil-off leading to pressure increase✓
C)Superfluid film formation and creep
D)Explosive decomposition of helium isotope
💡 Explanation
When rapid depressurization occurs, the phase transitions cause rapid vaporization because as the pressure decreases, liquid helium boils, increasing the gaseous helium volume attempting to maintain equilibrium leading to tank pressure increase . Therefore, boil-off results, rather than solidification, film creep, or decomposition, which need different conditions.
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