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As water is heated, the water molecules gain kinetic energy and they move faster. Eventually, they get enough kinetic energy to move fast enough to escape the liquid phase and become a gas/vapor. This is the boiling point.

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What happened to the water molecules when they are heated?

the molecules evapourate


What happens to water molecules when water is heated from 90 to 110 Celsius?

The liquid molecules are transformed in gas molecules.


Do water atoms expand or multiply when heated?

Water atoms do not expand or multiply when heated. When water is heated, the heat energy causes the water molecules to move faster and farther apart, which results in the expansion of the water volume. The number of water molecules remains the same.


What do water molecules do when they are heated?

up because when heated, it becomes light and goes up.


What happens to molecules when water is heated from 90 to 110 Celsius?

The liquid molecules are transformed in gas molecules.


When water is heated the water molecules gain and move more rapidly?

yes they do


How does heat affect the density of water?

As water is heated, its density decreases. When water molecules are heated, they gain energy and move around more, causing the molecules to spread out and the water to expand. This expansion leads to a decrease in density.


How does the mean speed of the water molecules changes as they are heated?

X


What is happening when water is heated from 25 C to 155 C?

When water is heated from 25 C to 155 C, it undergoes a phase change from liquid to gas at its boiling point of 100 C. The water molecules gain energy, move faster, and eventually overcome the intermolecular forces holding them together as a liquid, transforming into steam.


What direction do water molecules travel when they are heated?

up because when heated, it becomes light and goes up.


What happends to water molecules when they are heated?

When water molecules are heated, they gain energy and start moving faster. This increased movement causes the water molecules to break the hydrogen bonds holding them together, transitioning from a liquid to a gaseous state known as water vapor.


What does water evaporate when heated?

At higher temperature the continuous movement of water molecules is accelerated.