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Cold water has stronger (better) surface tension.
Surface tension is dependent on temperature. For that reason, when a value is given for the surface tension of an interface, temperature must be explicitly stated. The general trend is that surface tension decreases with the increase of temperature, reaching a value of 0 at the critical temperature.
From: http://en.wikipedia.org/wiki/Surface_tension
Added emphasis for readability.
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Wiki User
∙ 13y ago
Wiki User
∙ 15y agoDepends on what you mean by "lighter" if u mean weight, possibly, if u mean color, water has no color.
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∙ 8y agoFresh water has less dissolved salts than seawater because seawater is more salty than fresh water.
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∙ 11y agoWater has surface tension because of the hydrogen bonding between water molecules.
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∙ 13y agono
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∙ 12y agosalt
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What does the term interfacial tension mean?
The term interfacial tension or surface tension means the contractive tendency of a liquid that lets it resist and external force. Interfacial tension could be observed from the floating of objects on the surface of water, even though they are more dense than water.
Do liquids that have higher tension produce drops that are flatter or more nearly sperical ttan liquids with lowersurface tension?
Surface tension causes molecules to hold to themselves more tightly. Therefore high surface tension liquids, like pure water, will form a taller drop and low surface tension substances, like oil, will spread out and be flat.
How does bubble form?
Can you blow a bubble with pure water? NO WAY... because the surface tension of the water does not allow you to do so.Can you blow a bubble with soap-water solution? YES...Soap molecules contain hydrophobic chains that do not wish to stay in water. so they squeeze out to the surface of water and increases the gap between the water molecules on the surface, there by decreasing the surface tension of the water. With surface tension decreased you can blow a bubble.Here you can ask one more question...Why are Bubbles always spherical and not cuboid or some other shape?
Which is more dense steel or water?
Er, Does Steel (by itself) Float when placed in water? (for purposes of this discussion, lets omit masses of steel less than that required to break the water's surface tension, and formulations/constructions of steel purposefully designed to not break the surface tension, both of which are probably possible) No, ergo steel is more dense in its "usual" formulations & construction.
Why do ships sink more in fresh water than in salt water in respect to?
Salt water is more dense than fresh water. So when you're in salt water you float more than when you are in fresh water
Why kerosene has more surface tension than water?
It doesn't.
Is there anything such as water tension?
Yes. It is more specifically called water surface tension and it is the result of water's ability to form hydrogen bonds.
What cause pearling of water in aquarium?
Transient "pearling" (drops of water resting on the water surface without merging with it) is the result of two forces: hydrophobicity of materials floating at the water surface, and the surface tension of the water itself. Generally speaking, various proteins and minerals disolved in the water can increase the surface tension, and bacteria, fatty acids, and certain proteins living on the water surface will increase the hydrophobicity there. You'll notice that there's more peraling in a tank where the water has been there a while as compared to one where the water is fresh.
Is there more fresh water than salt water on the earth surface?
NO.
Do you think Salt water will have more or less surface tension than plain tap water?
more
Does vegetable oil have more surface tension than water?
No. Vegetable oil's surface tension is approximately 34 dynes/cm while ultrafiltrated water is 72.40 dynes/cm.
What are the application of surface tension in life?
They use it to take out harmful substances in a drug.
Why does acetone have a lower surface tension than water?
water is more polar than acetone
What does the term interfacial tension mean?
The term interfacial tension or surface tension means the contractive tendency of a liquid that lets it resist and external force. Interfacial tension could be observed from the floating of objects on the surface of water, even though they are more dense than water.
Do liquids that have higher tension produce drops that are flatter or more nearly sperical ttan liquids with lowersurface tension?
Surface tension causes molecules to hold to themselves more tightly. Therefore high surface tension liquids, like pure water, will form a taller drop and low surface tension substances, like oil, will spread out and be flat.
Does cooking oil have more surface tension than water?
Because of the polarity of the water molecule, hydrogen bonds form between them. This results in the higher surface tension. Oil is nonpolar, so hydrogen bonds do not form between the molecules, so the surface tension is less.
How does bubble form?
Can you blow a bubble with pure water? NO WAY... because the surface tension of the water does not allow you to do so.Can you blow a bubble with soap-water solution? YES...Soap molecules contain hydrophobic chains that do not wish to stay in water. so they squeeze out to the surface of water and increases the gap between the water molecules on the surface, there by decreasing the surface tension of the water. With surface tension decreased you can blow a bubble.Here you can ask one more question...Why are Bubbles always spherical and not cuboid or some other shape?
