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Detergents contain molecules with hydrophilic (water-attracting) and hydrophobic (water-repelling) parts. When added to water, detergent molecules disrupt the cohesive forces between water molecules at the surface, reducing surface tension. The hydrophobic tails of detergent molecules embed themselves into the water, while the hydrophilic heads face outwards, creating a barrier that prevents water molecules from forming strong bonds with each other.
What else can I help you with?
How does the detergent affect the water?
Detergent decreases the surface tension of water, allowing it to spread and penetrate more easily. It also helps to break down oils and grease by surrounding the particles and allowing them to be washed away with water.
What happens to the surface tension of a liquid when it is heated?
As a liquid is heated, its surface tension typically decreases. This is because the increased thermal energy disrupts the intermolecular forces at the surface of the liquid, causing the molecules to spread out and reducing the cohesive forces that create surface tension.
What happened to the needle when you added 2-3 drops of the detergent solution?
If you have floated a needle on the surface of the water in a glass then adding a little detergent will cause the needle to sink. This is because the presence of the detergent changes the surface tension of the water so that it can no longer support the needle.
How can you break the attachment of molecules in the surface tension?
The surface tension of water can be broken by adding dishwashing detergent to the water. This can be demonstrated by filling a bowl with water, then floating a needle in it. This may sound almost impossible, but it can be easily achieved by placing the needle on a tissue, then carefully floating it on the water. When the tissue sinks, the needle should remain on the surface. It is prevented from sinking by the water's surface tension. Carefully add one drop of dishwashing detergent, and the needle will sink. You can prove this was due to the surface tension being broken by trying to float the needle again. If you added enough detergent this should be impossible, as detergent acts as a wetting agent and breaks the surface tension.
What must happen to surface tension in order to clean a surface?
Surface tension must be reduced in order to clean a surface effectively. This can be achieved by using a cleaning agent or detergent that helps to break the surface tension, allowing the cleaning solution to spread and penetrate the surface for thorough cleaning.
True or false Addition of a detergent to water increases the surface tension of the water?
False. Addition of a detergent to water decreases the surface tension of the water by disrupting the hydrogen bonding between water molecules, allowing it to spread out more easily and interact with other substances.
What effect does detergent have on surface tension and Why?
There is an effect on Surface Tension when detergent is put in the water. I am doing an experiment for my upcoming Science fair and i am doing a Detergent Powered Boat/Surface Tension...I have tested it many times with and without detergent, when it doesn't have detergent it floats and then sinks after 5 seconds but with detergent it zips through the water...I can not give you the reason for this as i am myself still researching on why this is!
What is the effect of detergent on the surface tension of milk?
since milk has water as a main component, water has surface tension as the forces adhesion( sticks to stuff like the side of the glass) are stronger that the cohesion (makes water keep to itself) forces
Which describes surface tension of water when detergent is added A increases B decreases C becomes zero D shows no change?
B) Decreases. When detergent is added to water, it reduces the surface tension by disrupting the hydrogen bonding between water molecules. This causes the water molecules to spread out more evenly across the surface, lowering the surface tension.
Surface tension of water on adding detergent?
Well If you have a pie pan filled with milk and then drop 4 diffrent colors of food coloring droped in but not touching then get a tooth pick with detergent on it and touch it in the foodcoloring will swirl out like tie die in the pan.
Effect of Temperature on Surface Tension?
surface tension decreases with the increase of temperature
How does temperature affect surface tension?
As the temperature rises, surface tension decreases.
What does alcohol do to surface tension?
it decreases it.
Surface tension of water on adding detergent to it?
Decrease
What does detergent do to the surface tension of water?
It weakens the surface tension of water allowing us to blow BUBBLES!! :D
How does the detergent affect the water?
Detergent decreases the surface tension of water, allowing it to spread and penetrate more easily. It also helps to break down oils and grease by surrounding the particles and allowing them to be washed away with water.
What is the effect of increase of temperature on surface tension?
An increase in temperature typically decreases surface tension in liquids. This is because higher temperature leads to increased molecular motion, which weakens the intermolecular forces responsible for surface tension.
