Viscosity of a gas is directly proportional to its
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Hi there.
Viscosity of the gases is the measure of the resistance of the flow of the gas.
The S.T. unit of the Viscosity is N-s./m².
Although, it is commonly measured in terms of the dyne-s/cm², which is the C.G.S. unit of the Viscosity.
Viscosity of the gases is directly proportional to the temperature of the gas. As the temperature of the gas increases the Viscosity of the gas also increases and vice versa.
This case is only valid in the case of gases. In case of the liquid the viscosity decreases when the temperature increases. Viscosity of the gas depends upon the cohesive force. When temp. increases the cohesive force decreases, hence the Viscosity decreases. This means that the Viscosity is inversely proportional to the temperature in case of the liquid.
Hope it helps.
Viscosity of the gases is the measure of the resistance of the flow of the gas.
The S.T. unit of the Viscosity is N-s./m².
Although, it is commonly measured in terms of the dyne-s/cm², which is the C.G.S. unit of the Viscosity.
Viscosity of the gases is directly proportional to the temperature of the gas. As the temperature of the gas increases the Viscosity of the gas also increases and vice versa.
This case is only valid in the case of gases. In case of the liquid the viscosity decreases when the temperature increases. Viscosity of the gas depends upon the cohesive force. When temp. increases the cohesive force decreases, hence the Viscosity decreases. This means that the Viscosity is inversely proportional to the temperature in case of the liquid.
Hope it helps.
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