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Those with the most kinetic energy have enough to thrash about so much that they push their neighbours away and make a hole in the liquid water we call a bubble. Other energetic molecules then burst into the hole and help to keep it from collapsing. If enough molecules burst in, the bubble is so big that it rises to the surface and bursts, releasing a cloud of steam into the air.

The molecules most likely to be able to initiate this formation of bubbles are those at the very bottom of a saucepan where they are touching the hot metal with the fire underneath it. That is why the first bubbles which boil off come from the bottom of the can.

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13y ago
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Anonymous

Lvl 1
3y ago

The particles vibrate but cannot move from their positions.

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What happened to the water that was lost mass during the boiling prosses?

The molecules have enough energy during boiling to leave the attractive forces of the liquid molecules and move into the gas phase molecules, becoming dispersed within the atmosphere with which the liquid is touching.


How does boiling water occur?

When water is hot enough, the motion of the individual water molecules is fast enough to overcome the attraction that water molecules have for each other, which results in their escape from the liquid into the gas phase.


How does the boiling point of a solvent change when a solutes is dissolved in?

The boiling point rises and the freezing point lowers.The reason being, when a solute dissolves in a solvent, the solute molecules wedge themselves between the solvent molecules. In order for the solvent to freeze, its molecules have to get close enough together to form a solid. However, the solute molecules are in the way. As a result, it requires much colder temperatures for the solvent molecules to form a solid, despite the hindrance of the solute's molecules. The same sort of thing happens when trying to boil the solvent, only instead of holding the solvent molecules apart, the solute molecules end up holding them together, preventing them from boiling. Therefore, a more energy is needed to break the bond between solvent and solute, which allows the solvent to boil.


Is molecules invisible?

Molecules are often visible if you have enough of them. Enough carbon molecules and you have coal.


What happens to the bonds of substance during a chemical reaction?

First chemicals bonds in the starting substances must break. Molecules are always moving. If the molecules bump into each other with enough energy,the chemical bonds in the molecules break. ;)

Related questions

What rapidly changes to a gas when it absorbs enough energy to reach the boiling point?

Liquid does this.


When you put water in a pan what happens?

Water evaporates at any temperature. Some water molecules have enough energy to leave the surface of the liquid. As the temperature increases more and more molecules have enoughenergy to leave the surface of the liquid. At the boiling point all molecules have enough energy to evaporate. Bubbles of vapour form throughout the liquid (we see these bubbles as proof of boiling).


Why the boiling point of water higher than the boiling point of Ethan?

The boiling point is the temperature at which a liquid will change into a gas. This happens when the molecules have enough energy to break the bonds holding them in close proximity. Since water molecules have a stronger attraction to each other than ethane molecules have for each other, water needs to be heated to a higher temperature to break these bonds.


What is the difference between the process of boiling and evaporation of water?

Boiling is a greatly expedited form of evaporation. When you heat something to its boiling point, it has enough energy for its molecules to rapidly escape. Evaporation is a much slower action, generally. It is just molecules at the surface gaining enough energy to escape. Both evaporation and boiling are endothermic processes. They will cool what ever the molecules are escaping from.


Does boiling point affect the polarity of water?

No, boiling does not affect the polarity of water. What it does is create enough energy for the water molecules to separate from one another. But the water molecules are still polar.


What happened to the water that was lost mass during the boiling prosses?

The molecules have enough energy during boiling to leave the attractive forces of the liquid molecules and move into the gas phase molecules, becoming dispersed within the atmosphere with which the liquid is touching.


How does boiling from evaporation?

Evaporation is much slower than boiling, and it can happen at any temperature (above zero Kelvin) whereas boiling only happens at the boiling point. Evaporation happens when a liquid molecule has enough energy to escape from the surface of a liquid - this is why you can smell perfume and why puddles disappear in warm weather As these molecules build up above the surface of the liquid, there is a build up of pressure. This is called the saturated vapour pressure. When the overall temperature of the liquid is high enough, the saturated vapour pressure increases until it is equal to atmospheric pressure - this is called the boiling point.


What happens to water once its heated enough to reach its boiling point?

It evaporates


What happens to particles of water when boiling?

Nothing happens to the water molecules themselves, except that they move faster. Boiling is a physical change, not a chemical one. All that happens is the weak attractive forces between different water molecules are broken and individual molecules are turned into a gas, which is steam.Upon boiling, the energy fueled to the water has reached the summit of latent heat capacity of water and is enough to overcome the molecular forces or polarity attractions between the water molecules. As the water molecules about 7 to 8 natural clumping together is broken apart, the water molecules exist in gas form and free into the atmosphere from the water. If the water is just merely heated but not reaching boiling point, what happened to the water is evaporation. Evaporation occurs on the surface of the water which contacts with the air. As the temperature of the water increases, the water molecules are vibrating vigorously, but not high enough to change into gas form and are suppressed by the pressure of the water above them layerly. However, the superficial water molecules have the least water pressure acting on them, hence they can flee into the air. This is evaporation.


How does boiling water occur?

When water is hot enough, the motion of the individual water molecules is fast enough to overcome the attraction that water molecules have for each other, which results in their escape from the liquid into the gas phase.


What does the temp have to do with boiling points?

Water boils at 100 degrees centigrade. Water molecules in a liquid are always bumping against each other, but the attraction between them is strong enough to keep them held to each other. It is not strong enough to hold them tight like in a solid, but it does keep them together in a liquid. As the temperature rises, the molecules move faster and faster. When the liquid reaches the boiling point, the attraction between the molecules is no longer strong enough to hold them together. A number of them move so fast, they leave the liquid. That is called boiling.


How does the boiling point of a liquid at sea level compare to the boiling point of a liquid on top of a mountain?

A liquid boils when the molecules are going fast enough to create vapor pressure equal to the atmospheric pressure. The higher the temperature, the faster the molecules are moving. Temperature measures the average kinetic energy of the molecules. So when you heat water to make it boil, you are actually providing enough heat energy to be converted into kinetic energy, so the molecules are moving fast enough, to produce enough vapor pressure to push the air out of the way, so the water molecules can get out of the water and into the air. (What a run on sentence) So when you go up on top of a mountain where the air pressure is less, so it is easier for the water molecules go fast enough to produce enough water vapor pressure to push the air molecules out of the way. So the Boiling point for a liquid on top of a mountain is lower than for the same liquid at sea level. I wonder if any teachers besides me tell students that the air molecules above a pan of water are colliding with the water molecules in the pan, so the water molecules can not produce ……