Question

18) Which one has the highest thermal
conductivity?
A) Solid ice
B) Melting ice
C) Water
D) Steam​

Answer 1

Answer:

it's A) Solid ice

Explanation:

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Answer 2

Answer:

Solid ice has the highest thermal conductivity.

Explanation:

Since solids have a regular arrangement of atoms and stronger intermolecular interactions than liquids do, they have higher heat conductivity than melting ice. The intermolecular gaps are much closer together and contain more kinetic energy in a solid-state. As a result, liquid and gas have less efficient thermal energy transmission than solids. This leads to the realisation that solid ice has greater heat conductivity. About one order higher than the thermal conductivity of conventional polymers, ice has a thermal conductivity of 2.22W/mk. In general, the increasing disorder at the melting point reduces the heat conductivity of materials by 15 to 40%. Water, however, exhibits a significantly greater disparity.

Thus, the thermal conductivity of solid ice at "normal" temperatures is more than three times higher.