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Why does soap reduce the surface tension of water?
Soap will lower the surface tension of water. Like any surfactant soap will lower the surface energy by disrupting the strong inter-molecular hydrogen bonding that confers such a strong surface tension to water.
Why is it that a needle may float on a clean water but sink when detergent is added to the water?
When a needle is placed on clean water, it can float due to surface tension, which is the cohesive force between water molecules at the surface. However, when detergent is added to the water, it reduces the surface tension by disrupting the cohesive forces between water molecules. This decrease in surface tension causes the needle to sink as the water can no longer support its weight.
How do the properties of the water molecule affect surface tension?
The surface tension of water is due to the hydrogen bonds contained in it.When sugar is added to it,the dissolution process occurs which leads to the breaking of the hydrogen bonds in water by the hydration energy generated by the interaction of sugar and water.Therefore sugar reduces the surface tension in water
What does rubbing alcohol do to surface tension?
Rubbing alcohol reduces the surface tension of water by breaking up hydrogen bonds between water molecules. This results in the water spreading out more easily and evaporating faster.
How does soap effects the surface tension if water?
the surface tension has bonds, and the soap breaks those bonds, so if the soap water is put onto a surface.. it will slip off
What does baby powder do to water's surface tension?
Baby powder reduces the surface tension of water. When added to water, baby powder disrupts the hydrogen bonds between water molecules, reducing the cohesive forces on the surface of the water and causing it to spread out more easily.
What is an example of an organism that benefits from reducing surface tension?
Humans benefit greatly from the work of Pulmonary surfactant which reduces the surface tension in the alveoli of the lungs. This reduction in alveolar surface tension prevents the alveoli from collapsing and thus causing suffocation.
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 is any substance that interferes with the hydrogen bonding between water molecules and reduces surface tension?
A substance that interferes with the hydrogen bonding between water molecules and reduces surface tension is called a surfactant. Surfactants contain both hydrophilic and hydrophobic parts that break the cohesive forces between water molecules, thereby lowering surface tension. Examples of surfactants include detergents, soaps, and oils.
What are surfactants?
A substance that tends to reduce the surface tension of a liquid in which it is dissolved.
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.
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.
