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Why does the thermal conductivity of a gas increase with increasing temperature?
Wiki User
∙ 15y ago
The effect of temperature on viscosity, and how these facts may be interpreted is presented. The principal observed qualitative facts are as follows:
(1) All gases at ordinary pressure become more viscous as the temperature is raised.
(2) Most liquids become less viscous as the temperature is raised.
(3) Highly compressed gases resemble liquids in this respect: they become less viscous as the temperature is raised.
(4) For a few liquids (specifically, liquid helium and liquid sulphur) there is a range of temperature over which the viscosity increases as the temperature is raised.
Wiki User
∙ 16y ago
Wiki User
∙ 13y agoDecrease temperature leads to:
- decrease in average kinetic energy of gas molecules which results in decreased velocity.
- decreased velocity leads to a decrease in mean free path of gas molecules, therefore decreasing the frequency of collisions between gas molecules since the gas molecules cover less distance due to decreased velocity.
- with decreasing frequency of collisions result in a decrease in momentum transport from one molecule to another, which leads to a decrease in viscosity.
Wiki User
∙ 15y agoBecause you study @ KFUPM :P the truth is that the thermal conductivity iof a gas increases due to an increase in the speed, movememt amd collisions of the electrons. Probably! Because you study @ KFUPM :P the truth is that the thermal conductivity iof a gas increases due to an increase in the speed, movememt amd collisions of the electrons. Probably! Because you study @ KFUPM :P the truth is that the thermal conductivity iof a gas increases due to an increase in the speed, movememt amd collisions of the electrons. Probably! Because you study @ KFUPM :P the truth is that the thermal conductivity iof a gas increases due to an increase in the speed, movememt amd collisions of the electrons. Probably! Because you study @ KFUPM :P the truth is that the thermal conductivity iof a gas increases due to an increase in the speed, movememt amd collisions of the electrons. Probably! Because you study @ KFUPM :P the truth is that the thermal conductivity iof a gas increases due to an increase in the speed, movememt amd collisions of the electrons. Probably! Because you study @ KFUPM :P the truth is that the thermal conductivity iof a gas increases due to an increase in the speed, movememt amd collisions of the electrons. Probably! Because you study @ KFUPM :P the truth is that the thermal conductivity iof a gas increases due to an increase in the speed, movememt amd collisions of the electrons. Probably! Because you study @ KFUPM :P the truth is that the thermal conductivity iof a gas increases due to an increase in the speed, movememt amd collisions of the electrons. Probably!
Wiki User
∙ 12y agoWhen you increase the temperature of a body, say water, you increase the speed of vibration in the molecules of that matter. This increases the speed of reactions in general, and the speed of the molecules movement.
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Can you add thermal energy to an object without increasing its temperature?
yes-increase its mass
Heat is transferred from an object that has a thermal conductivity temperature to an object that has a?
Heat is transferred from an object that has a thermal conductivity temperature to another object through heat conduction.
What are thermal properties in science?
Some are latent heat, temperature, thermal conductivity, stability (as opposed to explosiveness), insulation ability which is related to thermal conductivity, and others.
Thermal conductivity temperature to an object that has a?
The thermal conductivity temperature of different objects vary from one object to another. When the two objects are placed together, there will be a change in temperature through heat conduction.
Define thermal conductivity?
ability of the material to resist the temperature
How do you increase a Thermal efficiency of brayton cycle?
by increasing the turbine inlet gas temperature
Can you add thermal energy to an object without increasing its temperature?
yes-increase its mass
Heat is transferred from an object that has a thermal conductivity temperature to an object that has a?
Heat is transferred from an object that has a thermal conductivity temperature to another object through heat conduction.
How does temperature affect the physical properties of petrol?
An increase in temperature will reduce the density, reduce the viscosity, reduce thermal conductivity, and increase the specific heat capacity. A decrease in temperature will have the opposite affect.
What are thermal properties in science?
Some are latent heat, temperature, thermal conductivity, stability (as opposed to explosiveness), insulation ability which is related to thermal conductivity, and others.
Thermal conductivity temperature to an object that has a?
The thermal conductivity temperature of different objects vary from one object to another. When the two objects are placed together, there will be a change in temperature through heat conduction.
Define thermal conductivity?
ability of the material to resist the temperature
What factor determines how hot or cold something feels when you touch it?
The temperature. Also, thermal conductivity.
What is the effect of temperature on transistor?
conductivity of semiconductors increases with increase in temperature as breakdown of covalent bonds take place in the semiconductor due to increase in temp but more & more increase in the temp may result in the breakdown or damage of the semiconductor which results in the decrease in conductivity of semiconductor
How to increase a Thermal efficiency of rankine cycle?
-increase the temperature of the super heated steam -lowering the condensing pressure -increasing the boiler pressure (Reheating, regeneration...)
What is the transfer of thermal energy through the motion of particles caused by temperature differences?
It is called heat, thermal conductivity.
What is the role of thermal energy in osmosis?
The speed of an osmotic transfer can increase as temperature increases. An increase in thermal energy will increase the movement of molecules both in the liquids, and of the semipermeable membrane, resulting in an increased flow. An increase in thermal energy may also lower the viscosity of a liquid, increasing it's rate of flow.
