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Why is boiling point of glycerol high than hexane?
in glycerol, every molecules are associated together with strong Hydrogen bond which is due to the OH functional group, this H-bond is absent in hexane.Hence it is so, which means more energy is required to break the bond b/w each molecule to release it as vapours
Do small molecules have high surface tension?
Generally larger molecules with stronger intermolecular forces have higher surface tension. This tendency can be seen if you look at the surface tensions of the alkanes. Water is a clear exeption to this pattern due to the very strong hydrogen bonds.
Double bonds mean higher surface tension?
Double bonds introduce rigidity in the molecule, increasing the attractive forces between molecules and leading to higher surface tension. This increased surface tension allows the molecules to resist external forces and form a more stable surface.
What is surface tension coefficient?
Surface tension coefficient, also known as surface tension, is the force acting on the surface of a liquid that causes it to behave like a stretched elastic membrane. It is a measure of the strength of the attractive forces between molecules at the surface of a liquid. The higher the surface tension, the more difficult it is to break the surface of the liquid.
Does water temperature affect surface tension on a penny?
Yes, water temperature can affect surface tension on a penny. As water temperature increases, surface tension generally decreases. This means that with higher water temperature, the water is less likely to bead up and more likely to spread out on the penny, reducing the surface tension.
Does water have the highest surface tension?
No, mercury has a higher surface tension.
Why is boiling point of glycerol high than hexane?
in glycerol, every molecules are associated together with strong Hydrogen bond which is due to the OH functional group, this H-bond is absent in hexane.Hence it is so, which means more energy is required to break the bond b/w each molecule to release it as vapours
How does surface tension of water compare with the surface tension of most other liquid?
The surface tension of water is higher than that of most other liquids. Water has a surface tension of 7.29 * 10-2 J/m2 at 20oC.
Which has a higher surface tension ethanol or acetone?
acetone. It has a surface tension of 23.70 at 20 degrees celsius while ethanol has a surface tension of 22.75 at 20 degrees celsius
Do small molecules have high surface tension?
Generally larger molecules with stronger intermolecular forces have higher surface tension. This tendency can be seen if you look at the surface tensions of the alkanes. Water is a clear exeption to this pattern due to the very strong hydrogen bonds.
Double bonds mean higher surface tension?
Double bonds introduce rigidity in the molecule, increasing the attractive forces between molecules and leading to higher surface tension. This increased surface tension allows the molecules to resist external forces and form a more stable surface.
What is surface tension coefficient?
Surface tension coefficient, also known as surface tension, is the force acting on the surface of a liquid that causes it to behave like a stretched elastic membrane. It is a measure of the strength of the attractive forces between molecules at the surface of a liquid. The higher the surface tension, the more difficult it is to break the surface of the liquid.
Why does water have higher surface tension than oil?
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.
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.
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 the surface tension of water compare with the tensions of most other liquids?
The surface tension of water is higher than that of most other liquids. Water has a surface tension of 7.29 * 10-2 J/m2 at 20oC.
What liquid have the strongest surface tension?
Mercury is the liquid with the strongest surface tension.
