Question

Define the thermal conductivity of ice

Answer 1

Solids have systematic arrangement of atoms, where the intermolecular forces are very much stronger than in liquid form. While liquids are characterised by quite weaker intermolecular forces. The systematic arrangement of atoms is the reason for high thermal conductivity of ice.

Answer 2

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• When a material undergoes a phase change (e.g. from solid to liquid), the thermal conductivity may change abruptly. For instance, when ice melts to form liquid water at 0 °C, the thermal conductivity changes from 2.18 W/(m⋅K) to 0.56 W/(m⋅K).