In contrast to heat transfer by convection, thermal conduction has nothing to do with macroscopic displacements in the body, but is a result of a direct energy transfer between particles, such as molecules, atoms, and electrons, with higher energy and ones with lower energy. During the present work, the thermal conductivity, thermal diffusivity, and the calculated volumetric specific heat (thermal conductivity (λ) / thermal diffusivity (α)) of Water were measured and the data are given in Tables 1-3. There are several ways to measure thermal conductivity; each is suitable for a limited range of materials. A) increases B) decreases C) remains constant D) may increase or decrease depending on temperature. Answer is: increases. Thermal conduction is the transfer of heat from hotter to cooler parts of a body resulting in equalizing of temperature. Thermal conductivity of the gases and liquids increases with the increase in temperature. Why does the thermal conductivity of water increase with temperature? 24) Thermal conductivity of air with rise in temperature. Values of k L for most common organic liquids range between 250 and 400 μcal/cm.s.°C at temperatures below the normal boiling point. With increasing temperature the mole fraction of water vapor increases, as well as the thermal conductivity of dry air. Except for water, aqueous solutions, and multihydroxy molecules, the thermal conductivity of most liquids decreases with temperature. Thermal conductivity of the metal decreases with the increase in temperature. Often times electrical or electronic components are housed in sealed enclosures to prevent the ingress of water, dust or other contaminants. Question: Why Does The Thermal Conductivity Of Water Increase With Temperature? Water and other highly polar molecules have values that are two to three times larger. The conductivity invariably increases with increasing temperature, opposite to metals but similar to graphite. Explanation: Image: These were undoped silicon (Si) and undoped germanium (Ge). Metal, crystalline in structure, have greater thermal conductivity than non-metal. The Si and Ge samples were treated with an HF solution to remove native oxide. In low ionic concentrations (very pure water), the ionization of the water … Expert Answer . While water vapor has a higher c v than dry air, d is somewhat larger, resulting in a somewhat smaller thermal conductivity at the same temperature (at room temperature: 0.018 vs. 0.025 W/m K). It is affected by the nature of the ions, and by viscosity of the water. Thermal conductivity of air with rise in temperature. From 0 K it is start from zero value and in a particular temperature it reach a maximum peak. 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