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Q: What are compounds that lower the surface tension of water?
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Why does dawn dish soap repel pepper?

Soap breaks the surface tension of water. Pepper will only float where there is strong surface tension.


What attraction is important to water striders?

Surface tension is important to water striders because surface tension gives them the ability to float and not sink and drown.


What is water's surface tension?

Here are some explanations of surface tension:Surface tension is a property of the surface of a liquid that causes it to behave as an elastic sheet. It allows insects, such as the water strider (pond skater, UK), to walk on water too. It allows small objects, even metal ones such as needles, razor blades, or foil fragments, to float on the surface of water, and it is the cause of capillary action.5.18 pounds / feet at 0 degree Celsius. Or as I remember it is 72 dyne / centimeter at 25 degree Celsius. The surface tension of water is the force required in order to float at the water's surface, hence making water to behave like an elastic sheet.Water surface tension is contractive tendency of the surface of a liquid that allows it to resist an external force. The beading of water on a waxy surface, such as a leaf, is an example of water surface tension.


What is surface tension in hair?

Surface tension is when liquid can not penetrate the hair shaft, for example when washing your hair water isn't adsorbed and instead water droplets form on top of the hair without actually sinking into it straight away.


Liquids form spherical drops because of what property?

Liquids tend to form spherical droplets because of surface tension. There is energy associated with the surface tension, and since a sphere has the minimum surface to volume ratio, it has the minimum surface tension related energy for a given amount of liquid. (It is a general principle in physics that things tend toward a minimum energy state.)

Related questions

Does gasoline have a low surface tension?

yes it is lower than the surface tension of water


How does soap effects the surface tension if water?

Soap reduces the surface tension of water by disrupting the hydrogen bonds between water molecules. This allows the water to spread out more easily and penetrate surfaces to lift away dirt and oil.


Why does soap reduce the surface tension of water?

Soap molecules have a hydrophilic (water-attracting) end and a hydrophobic (water-repelling) end. When soap is added to water, the hydrophobic ends interact with non-polar substances like oils and dirt, which disrupts the hydrogen bonds between water molecules and decreases surface tension. This allows water to spread more easily and penetrate into crevices to wash away dirt and oil.


Surface tension of water at different temperatures?

Surface tension of water decreases as temperature increases. At lower temperatures, water molecules are more closely packed, leading to stronger intermolecular forces and higher surface tension. As temperature rises, water molecules gain kinetic energy and move more freely, causing weaker intermolecuar attractions and lower surface tension.


What is the effect of pH on surface tension?

Surface tension typically decreases as the pH of a solution becomes more acidic or basic. This is due to changes in the concentration of ions at the liquid-air interface, which affects the attractive forces between molecules. In general, a change in pH can disrupt the hydrogen bonding between water molecules, leading to a decrease in surface tension.


What causes detergent to lower the surface tension of water?

Some mood music.


Why does acetone have a lower surface tension than water?

water is more polar than acetone


Why did heating the water affect the surface tension?

Surface tension is lower at higher temperatures.


What is the effect of detergent on the surface tension?

Detergent has the effect of reducing the size of the water molecules thereby reducing the surface tension of the water. This allows for the small water molecules to integrate themselves farther into fabric to remove contaminants.


What is the effect of sodium chloride on the surface tension of water?

The surface tension of water is increased for salted water.Sodium chloride increase the surface tension of water.


What makes a needle to float in water?

A needle can float on water due to surface tension. When the needle is carefully placed on the surface of the water, its weight is not enough to break the surface tension created by the water molecules, causing it to float.


What property of water let's bugs walk on water?

surface tension