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This is an incredibly complicated question; I recommend looking up evaporation in wikipedia. A brief, oversimplified answer is that there are attractive forces in H20 (water) molecules that hold it together, or else they would be separated (and thus be gas). Heat (thermo-kinetic energy) is actually vibrations in the molecules. Evaporation occurs when because of heat; basically the heat is shaking the molecules too hard for them to continue staying together.

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Q: Why does heat turn liquid H2O into gas?
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Related questions

What is described by the equation H2O(l) plus heat H2O(g)?

This is the a change of phase from liquid to gas.


Is described by the equation H2O(l) plus heat H2O(g)?

This is the a change of phase from liquid to gas.


Is H2O a liquid or a gas?

H2O is water, it can be a liquid, a gas or a solid (ice).


When adding heat what does it change a liquid into?

a gas depending on the liquid, eventually gas.


Change state from liquid to gas?

evaporate the liquid- heat the water up so it turn into gas.


How do you turn liquid into gas?

heat it to a boiling point and it will turn to steam and evaporate.


What makes a liquid turn into a gas?

evaporation or a sutin amount of heat


How do you turn a liquid to gas?

Heat it past its boiling point.


To change gas to a liquid?

To turn a gas in to a liquid requires cooling or the removal of heat. This process is called liquefaction. Water vapor condenses into a liquid.


Does it take heat to turn a liquid to a gas?

yes just like it takes heat to turn a solid into a liquid Yes. The more heat the faster movement of parts of mass (solid or liquid or gas). Power of fast movement than overcomes power keeping the thing together.</


How Can a solid can turn a gas?

The gas in a gas stove can heat up ice until it melts into water and then evaporates into water vapor.


When a liquid is heated it can turn into a gas you call this?

You call this process evaporation. When liquid turns into gas due to heat and pressure, evaporation is occurring.