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The bubbles in boiling water are steam or vaporized water. The bubbles initially do not reach the surface of the billing fluid as the colder water away from the hot bottom cools the steam turning it back to liquid. WHen all the water is at 100oC the bubbles reach the top.

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12y ago
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11y ago

The bubbles are water vapour. As the heating element is hotter than 100°C (212°F), it turns from liquid into gas. Then as they move up through the liquid, initially all the bubbles cool down and 'collapse' back into a liquid, these are the loud noises produced. Then as the water gets hotter and hotter, the bubbles can reach the surface and thus most of the noise stops.
escaping vapor

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13y ago

The substance inside the bubbles is called "water vapor" or "steam".

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steam

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11y ago

Water Vapor

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Q: When water boils what is in the bubbles?
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Why large bubbles form when water boils what are the bubbles made of?

When water boils, the bubbles are made of water vapor. Water is changing from the liquid phase to the gas phase, but it doesn't change all at once, so you get bubbles of gas inside the liquid. The phase change will happen first at the location where heating is taking place, so if you have a pot on a stove, the bubbles will form at the bottom of the pot, and then rise to the top.


When a jug boils there are large bubbles in the water What are the bubbles made of?

When water boils the gasses which where absorbed are liberated and they expand as a result of the heat causing bubbles which then rise to the surface upon further heating it would be the water turning to steam that expands into bubbles, that is why the bubbles only form at the point of contact with the heat source. there could be some oxygen in the bubbles but it would be extremely small amounts as the heat does not split the bond between the oxygen and the hydrogen.


What is the inside of bubble that form when the water boils?

hot air. ^^Close. It is actually steam or the gaseous form of H2O (water). As the water is heated it changes from a liquid to a gas. Since the heat is coming from the bottom (in a pot) and the top of the water is cooler, the gas forms bubbles.


When water boils does it evaporate so rapidly that bubbles form true or false?

well it depends if you boil it over a fire sometimes bubbles do occur but if your just heating it at a temperature lower than boiling than it just slowly evaporates like regular water in a lake


Which boils quicker warm or cold water?

cold water does.

Related questions

When water boils you can see bubbles rising to the surface of the water Of what are the bubbles made?

O2-Oxygen


Where did the bubbles form when the water boils?

Below the surface


When CCl4 boils what is inside the bubbles?

when any liquid BOILS the bubbles just contain the same substance, but just as a gas.now why did I put 'boils' in capitals?you know if you boil water there are tiny bubbles already forming before it is actually boiling. these are the gasses which were dissolved in the water.


What do you think is inside the bubbles that form when the water boils?

Water vapor (steam) is inside the bubbles that form inside boiling water. The bubbles that form prior to boiling are mostly dissolved gases escaping from the water.


What do you think is inside the bubbles that form when the water boils where did the water go?

It is the water vapor that is formed inside the bubbles. Water is lost in the air in the form of water vapor.


Does water bubble?

Yes. When water boils, many bubbles appear. (212 degrees F)


Why large bubbles form when water boils what are the bubbles made of?

When water boils, the bubbles are made of water vapor. Water is changing from the liquid phase to the gas phase, but it doesn't change all at once, so you get bubbles of gas inside the liquid. The phase change will happen first at the location where heating is taking place, so if you have a pot on a stove, the bubbles will form at the bottom of the pot, and then rise to the top.


When a jug boils there are large bubbles in the water What are the bubbles made of?

When water boils the gasses which where absorbed are liberated and they expand as a result of the heat causing bubbles which then rise to the surface upon further heating it would be the water turning to steam that expands into bubbles, that is why the bubbles only form at the point of contact with the heat source. there could be some oxygen in the bubbles but it would be extremely small amounts as the heat does not split the bond between the oxygen and the hydrogen.


Describe what happens when someone boils a pot of water in relation to heat energy?

it goes up in tempature, the water bubbles and evaporates. it goes up in tempature, the water bubbles and evaporates.


What happens to water when it boils?

it gets hot


At the what mud boils and bubles and shoots into the air?

At the volcanoes and geysers, mud boils and bubbles and shoots in to the air. There are also hot springs near the geysers.


What bubbles mean when water's boiling?

3. (verb) boilcome to the boiling point and change from a liquid to vapor"Water boils at 100 degrees Celsius"