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Why do water molecules stick together to form larger droplets when it rains?

Posted on August 29, 2022 by Author

Why do water molecules stick together to form larger droplets when it rains?

Way up high in the atmosphere , dust and smoke particles suspended in clouds create places where moisture can settle and form into drops. The water molecules stick together because they are more attracted to bonding with each other than they are to bonding with air.

Why water forms beads on a waxy surface but spreads out on a clean glass surface?

Water molecules are attracted in every direction by other water molecules and are more attract- ed to each other than they are to the wax paper. Water’s attraction to itself and its strong surface tension causes water to bead up instead of spreading out on the wax paper.

What causes water to clump in drops rather than spread into thin layers?

Hydrogen bonds hold water molecules closely together which causes water to have high surface tension. This is why water tends to clump together to form drops rather than spread out into a thin film.

What causes water droplets to stay together?

This means that the hydrogen atoms of one water molecule are attracted to the oxygen atom of another water molecule since opposite charges attract. This attraction between the atoms of neighboring molecules is called cohesion and is what keeps water molecules sticking together and is what causes raindrops to form.

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When water molecules stick to other water molecules this is called?

Detailed Description. Cohesion: Hydrogen Bonds Make Water Sticky. Water has an amazing ability to adhere (stick) to itself and to other substances. The property of cohesion describes the ability of water molecules to be attracted to other water molecules, which allows water to be a “sticky” liquid.

Why do water molecules easily bond together?

Hydrogen Bonds The slight positive charges on the hydrogen atoms in a water molecule attract the slight negative charges on the oxygen atoms of other water molecules. This tiny force of attraction is called a hydrogen bond.

What causes water to bead up on the surface of an object?

Molecules within a liquid are pulled equally in all directions by intermolecular forces. It is also responsible for the beading up of water droplets on a freshly waxed car because there are no attractions between the polar water molecules and the nonpolar wax. …

What happens when water is on wax paper?

Drip a drop of water onto the piece of waxed paper. Observe what happens. On the piece of paper that did not absorb the water, move the water drop around by blowing at it through a straw. Try making smaller drops.

Why do water molecules stick together to form a drop of water quizlet?

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Cohesion means that water molecules are attracted to other water molecules. This property allows water to form droplets because the polar water molecules are more attracted to each other than their attraction to a non-polar surface. Opposite polar charges attract.

How do intermolecular forces affect the shape of a drop?

A typical molecule in the interior of the droplet is surrounded by other molecules that exert attractive forces from all directions. Because a sphere has the smallest possible surface area for a given volume, intermolecular attractive interactions between water molecules cause the droplet to adopt a spherical shape.

What determines the cohesiveness of water molecules?

Cohesion refers to the attraction of molecules for other molecules of the same kind, and water molecules have strong cohesive forces thanks to their ability to form hydrogen bonds with one another. Thus, the water molecules at the surface form stronger interactions with the neighbors they do have.

Why can small insects walk on water?

Water striders are small insects that are adapted for life on top of still water, using surface tension to their advantage so they can “walk on water.” The attraction between water molecules creates tension and a very delicate membrane. Water striders walk on this membrane.

Why do water droplets form on the outside of a mirror?

The warmer water vapour from the surrounding air then comes into contact with the cooler surface of the mirror, loses heat to it and condenses to form water droplets. Water droplets observed on the outer surface of a canned drink, after taking it out of the fridge.

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What causes water droplets on the underside of a plastic box?

Water droplets observed on the underside of the plastic box cover containing hot food. The water from the hot food evaporated to form warmer water vapour. The water vapour from the air in the plastic box gained heat from the warmer food to increase in temperature.

What causes water droplets on the outside of a coke can?

Water droplets observed on the outer surface of a canned drink, after taking it out of the fridge. The warmer water vapour from the surrounding air comes into contact with the cooler outer surface of the can of coke, loses heat to it and condenses to form tiny water droplets.

Why do water droplets form on the glass of a bus?

This also causes the glass windows of the bus to lose heat to the cooler air in it to decrease in temperature. Thus, the warmer water vapour from the surrounding air will come into contact with the cooler outer surface of the bus’s glass window, lose heat to it and condense to form water droplets.

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