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Most waxes are petroleum based, just like gasoline. Therefore, they have similar properties and mix, whereas water has significantly different properties, causing it to 'bead up' and form droplets on the surface.

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12y ago
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6mo ago

Water has a higher surface tension than gasoline, causing it to bead up on a waxed surface. The hydrophobic properties of the wax repel the water, leading to beading. Gasoline, on the other hand, has a lower surface tension than water and does not experience the same beading effect on a waxed surface.

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Q: Why does water bead up on a waxed car but gasoline does not?
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Why does water bead up on a waxed car but gasoline spreads out?

A waxed car is not hydrophilic, it is not wetted with water. A drop of water falling on such a surface does not speak out wetting the surface. Instead the surface tension of the water drop pulls it into a spherical shape that sits on top of the surface until it either slides off or evaporates.


Which property of water causes water drops to bead on s freshly waxed car?

Water molecules are sticky due to hydrogen bonds


Why do beads of water often form on a slippery surface such as a freshly waxed car?

Beads of water form on a slippery surface like a freshly waxed car because the surface tension of water causes it to bead up rather than spread out. The hydrophobic nature of the wax repels water, causing it to form into droplets instead of wetting the surface.


Would mercury bead up more on a waxed or unwaxed car?

Mercury would bead up more on a waxed car. The wax provides a hydrophobic surface that repels water and other liquids, causing them to bead up instead of spreading out. That same principle applies to mercury.


Which property of water causes drops on a freshly waxed car?

This phenomenon is called surface tension.


When can a freshly painted car be waxed?

No


When you pump gas in your car is it possible there is water in the gasoline?

Most gas stations have several filters to keep water out but water can get into the gasoline. Yes, it is possible.


What property of water is demonstrated when you see beads of water on a waxed car hood?

The property of water demonstrated is surface tension, which causes the water molecules to stick together and form droplets on the surface of the waxed car hood rather than spreading out. This is due to the hydrophobic nature of the wax, which repels water.


Can car fuel freeze?

Yes, but it is usually water in the gasoline that freezes.


Why does water bead up on freshly waxed car?

Wax is hydrophobic, meaning it repels water. Of course, this repulsion is not strong enough to make the water hover a millimeter above the surface, but it is strong enough to force the water to act in this way, rather than sit there in a thin sheet. The "surface tension" of the water itself also plays a role.


The following is exothermic or endothermic"The combustion of gasoline in a car engine?

Gas


What are the examples of cohesion?

Examples of Cohesion *Water clinging to your newly waxed car *Water clinging to a pice of waxed paper The examples above are actually examples of ADHESION not COHESION. ADHESION is the force that attracts two DIFFERENT materials together. COHESION is the sticking of two LIKE substances.