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2 How can you explain Cohesion and adhesion in term of water molecules?
Wiki User
∙ 14y ago
Water has both cohesive and adhesive forces. They are similar.
The cohesive of water describes how the molecules of water are attracted to one another. We observe the cohesive forces of water when we see a drop of water sitting on a surface. The water does not spread because the molecules are attracted to one another. Surface tension of water is due to its cohesive properties.
The cohesive forces of water are due to hydrogen bonding between molecules.
Adhesive properties of water are how the molecules are attracted to other substances. We observe the adhesive forces of water when we see the edge of water in a glass is attracted up on the sides of the glass. This is most apparent when the diameter of the glass vessel is less than a centimetre. It is called a meniscus. Trees use this adhesive property of water to help suck water up from the ground. If the diameter of the glass is small enough, as in a glass capillary, the water will rise up the tube by itself due to adhesive forces.
Wiki User
∙ 14y ago
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Is water soaking through a paper towel cohesion?
Adhesion.
How do you compare adhesion and cohesion?
Water travels up a tree through small tubes called xylem. As water is released through the leaves of the tree, it creates a negative pressure at the top of the tree. Even though the weight of all the water is dragging it down via gravity, the adhesion and cohesion properties of water create a strong attraction between the water molecules. Another property that helps is capillary action, where the water molecules are more strongly attracted to the walls of the xylem than they are to each other. The height that capillary action can draw water is inversely proportional to the width of the tube, which means that the xylem and stomata can draw water up and incredible distance.
When wax is rubbed on cloth the cloth becomes waterproof why?
the force of cohesion bw water molecules is smaller than the force adhesion bw water & cloth molecules so the cloth molecules becomes wet with water,but if a little wax is rubbed over it then the force of adhesion bw water & wax molecules becomes smaller than the cohesive force bw water molecules.So the water cannot make the cloth wet now
Why is water both adhesive and cohesive?
Cohesion in water is the water being 'sticky' or attracted to itself. Adhesion in water is when the water is 'sticky' or attacted to other surfaces. Water is cohesive and adhesive because of it's properties. The oxyogen and hydrogen molecules are bonded together and are polar. Beacuse the molecules are polar the particales are therefore attracted to each other from negative to positive end (cohesion), but are also atracted to other particles in other surfaces, again positive to negative poles (adhesion). It's very important that water be both cohesive and adhesive for being good for solutions and other functions.
What are some examples of adhesion?
water can creep up narrow spaces. Capillarity assists the movement of water and solutes in plant stems and roots.
What is it called when water sticks to different substances?
Adhesion is when water molecules stick to other molecules
What is it called when water molecules sticks together?
adhesion - when different molecules stick together (water to clothes) cohesion - when molecules of the same type stick together (water to water)
Do water molecules attract other polar molecules through adhesion cohesion peptide bonds ionic bonds?
adhesion
The tendency of molecules of the same kind to stick together is called?
This depends. If the molecules are of different kinds (ie: Water and Glass), then it is called adhesion. If they are of the same kind, it is called cohesion.The tendency of molecules of the same kind to stick to one another is known as cohesion. This is what keeps the molecules together a good example being in water.
Explain the properties of cohesion and adhesion Give an example of each property?
Cohesion is an attraction between molecules of the same substance. Adhesion is attraction between molecules of different substances. An example of cohesion is how you can cause water to extend out over the rim of a glass if you fill it carefully; the molecules are all pulling together. An example of adhesion is when you dip a piece of paper towel into a glass of water. The water will climb up the fibers of the paper above the level of the water in the glass. The water is attracted to the paper.
How does water rise to the top of a redwood tree?
adhesion of water to the wood and cohesion of water molecules
How do cohesion and adhesion work together?
First, the adhesion makes the molecules of water stick to the walls of the plants roots and leaves. Then the cohesion joins the molecules of water together to help them move up the walls of the plants roots and leaves.
Whats the difference between adhesion and cohesion?
Adhesion is the attraction between two molecules of different substances.cohesion is the attraction between molecules of the same substances.
What means by cohesiveness of water molecules?
In chemistry and physics, cohesion refers to the sticking together of alike molecules, such as water molecule being attracted to another water molecule. Cohesion also causes water molecules to form drops.Together with adhesion It helps to explain the occurrence of surface tension and capillary action.In botany, cohesion pertains to the fusion of plant parts, such as in syncarpy.
Why a drop of water put on a glass plate spreads?
because the cohesion of water molecules is less stronger than the adhesion of the water molecules
What are examples of adhesion and cohesion?
cohesion: water's cohesion causes molecules on the surface of water to be drawn inward, which is why drops pf water form beads on a smooth surface. adhesion: adhesion between water and glass causes water to rise in a narrow tube against the force of gravity ice formingon the surface of water bodies in winter
How does adhesion and cohesion affect each other?
Adhesion is where water molecules stick to other things, and cohesion is where the water molecules stick to each other. The combination of this makes it so that together, they can climb up things like roots of a tree to give the tree water.
