The addition of impurities typically decreases the melting point of a substance. This occurs because impurities disrupt the regular arrangement of particles in the crystal lattice, weakening the cohesive forces between them. As a result, less energy is required to ...
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By increasing the pressure on ice, its melting point will increase. Pressure affects the equilibrium between solid and liquid phases. As pressure rises, the equilibrium shifts towards the more compact solid phase, requiring a higher temperature to maintain equilibrium, resulting ...