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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 reduces the surface tension of water by breaking the hydrogen bonds between water molecules. This allows the water to spread and penetrate surfaces more easily, making it an effective cleaning agent.
Why does kerosene have less surface tension?
Kerosene has less surface tension than water because its molecules are less polar and can't form hydrogen bonds as easily as water molecules. This results in weaker intermolecular forces between kerosene molecules at the surface, leading to lower surface tension.
How would the surface tension of water be affected if water was a less polar molecule?
If water were a less polar molecule, its surface tension would likely decrease. Surface tension in water is primarily due to the hydrogen bonds formed between water molecules, which are a result of water's polarity. A less polar molecule would not form as strong hydrogen bonds, leading to weaker surface tension.
Does density of water increase or decrease the surface tension of water?
The surface tension of water is due to cohesive forces between water molecules. Density does not directly affect surface tension, but impurities or additives can alter it. Essentially, the surface tension of water remains constant regardless of its density.
