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Why above 32 degree Celsius water behave like other liquids and below 32 degree Celsius under pressure viscosity of water decreases?
Above 32 degrees Celsius, water behaves more like other liquids due to increased molecular motion, which reduces the strength of hydrogen bonds and allows for easier flow. Below this temperature, particularly under pressure, the viscosity of water decreases because the pressure can disrupt the structured arrangement of water molecules, making it easier for them to move past one another. This unique behavior of water is influenced by its hydrogen bonding and the effects of temperature and pressure on molecular interactions.
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What is the effect of pressure on viscosity?
As temperature increases viscosity decreases.
How does viscosity of water vary with pressure?
The viscosity of water typically decreases with increasing pressure. This is because high pressure generally reduces the spacing between water molecules, allowing them to flow more easily past each other, resulting in lower resistance to flow and therefore lower viscosity.
On heating the viscosity of liquids generally?
Heating liquids usually decreases their viscosity by reducing the intermolecular forces between molecules. As the temperature increases, molecules move more vigorously, causing a decrease in viscosity. However, this trend may not hold true for all liquids, as some may exhibit non-ideal behavior under extreme temperature conditions.
Is carbon dioxide viscous?
Carbon dioxide (CO2) is a gas at standard temperature and pressure, and it is not considered viscous in the same way that liquids are. Gases generally have low viscosity compared to liquids, and CO2 has a relatively low viscosity among gases. However, when CO2 is compressed into a liquid state, its viscosity increases, but it remains much lower than that of most liquids.
Why you use gear pump in liquid?
it will provide you with a high pressure. It can reach 200 bar and its use for high viscosity liquids.
What is the effect of pressure on viscosity?
As temperature increases viscosity decreases.
How does viscosity of liquids vary with pressure?
In general, the viscosity of liquids decreases with increasing pressure. This is due to the compression of molecules, which results in better alignment and reduced resistance to flow. However, this relationship can vary depending on the specific characteristics of the liquid being studied.
How the coefficient of viscosity of a liquid changes with temperature?
The coefficient of viscosity of liquids decreases with an increases in temperature.
Why if you boil water on a high mountain it will be lower than 100 degrees Celsius?
Because the air pressure is lower, and the boiling point of water (and other liquids) decreases as the pressure decreases.
What is the viscosity of caesium?
This question is a non-sequitur. Viscosity is a property of liquids. Caesium is a solid at standard temperature and pressure. If you heated caesium until it was a liquid, the viscosity would decrease as you increased the temperature.
Do hotter liquids have more or less viscosity than colder liquids?
Cold water has higher viscosity than Hot water, take note that, as the temperature of fluid increases, viscosity decreases.
How are viscosity and temperature related?
Viscosity and temperature are inversely related. As temperature increases, the viscosity of a liquid typically decreases. This is because higher temperatures cause molecules to move more freely, leading to a decrease in the resistance to flow and a decrease in viscosity.
As the temperature of a fluid increases does its viscosity increase or decrease?
Assuming all other conditions stay the same as the viscosity increase this restricts flow and the flow rate will slow down. For example if you put water in a squeezable ketchup bottle it would be able to be emptied much faster than if you applied the same pressure with ketchup in the bottle.
What is the effect of the temperature on the flow rate and the viscosity of a liquid?
HSP With increase in temp.the viscosity of liquids decreases,thereby increasing the flow rate and vice versa.The decrease in viscosity with rising temp.is due to the fact that the intermolecular attraction decreases and the cohesive forces increases. This does not apply with water
How do liquids with a high viscosity differ from a liquids with a low viscosity?
Because liquids with a high viscosity flow slowly as to where a liquid with a low viscosity flow quickly
Why do some liquids travel faster than others?
The speed at which a liquid travels is influenced by its viscosity - the resistance to flow. Liquids with lower viscosity flow more easily and thus typically travel faster than liquids with higher viscosity. Other factors such as temperature and pressure can also affect the speed at which liquids travel.
Does the Viscosity changes with the temp and pressure?
The viscosity of a substance will change with both temperature and pressure. For liquids the changes induced by a change in temperature are usually more readily observed than the changes from pressure because liquids are only slightly compressible with pressure. In gasses, the changes in viscosity with pressure are much more easily demonstrated because gases are, almost by definition, quite compressible so that the density can be easily changed by either changes in pressure or changes in temperature.
