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← ScienceWhich outcome occurs when pressure increases on melting ice?
A)Melting point temperature decreases substantially✓
B)Ice becomes more thermodynamically stable
C)Heat of fusion value sharply increases
D)Ice transitions instantly to vapor
💡 Explanation
Increased pressure favors the liquid phase because liquid water is denser than ice; therefore, Le Chatelier's principle causes a decrease in the equilibrium melting temperature, rather than an increase as vapor pressure changes would suggest.
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