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Heat of Vaporization for water = 540 Cal/g

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15y ago

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What provides the energy that water needs to evaporate?

These energy sources are the movement of water molecules and the temperature.


What temperature is needed to separate magnesium chloride from water?

The water will slowly evaporate on its own at room temperature, but boiling temperature will do it much faster!


How do you increase energy in drinking water?

The surface molecules of the water will evaporate. As the kinetic energy increases the water molecules become more free, which causes the water to evaporate.


How much energy is required to evaporate 21.6 tons of water?

The needed energy at 100 oC is 48751 MJ.


What needs to be added to liquid water at the Earth's surface in order to evaporate it into gaseous water?

Liquid water evaporates due to high temperature. Sun's energy help it to evaporate.


At what temperature does water evaporate instantly?

Water does not evaporate instantly at a specific temperature. Evaporation is a gradual process that occurs as water molecules gain enough energy to escape into the air. The rate of evaporation increases with higher temperatures, but there is no specific temperature at which water evaporates instantly.


Why does cold water evaporate slower than hot water?

The kinetic energy of water molecules is lower at a low temperature.


How do evaporate water using a little amount of heat?

Molecules have kinetic energy at any temperature.


What information is needed to calculate the amount of energy needed to heat of volume of water to some temperature?

You need the amount of water, the temperature of the water, and the desired temperature.


What best describes how water evaporate?

The energy of water molecules increase by a temperature increase and some molecules at the surface can escape in the atmosphere. But water is evaporated at any temperature.


What energy is required for water to evaporate from a puddle?

The energy required for water to evaporate from a puddle is called latent heat of vaporization. This energy is needed to break the intermolecular bonds between water molecules so that they can escape into the atmosphere as vapor.


Why does water evaporate from your cup?

When water molecules at the surface gain sufficient energy they can escape in the atmosphere. Evaporation (not vaporization) occur at any temperature; but a higher temperature increase the rate of evaporation. The energy of water molecules increase by a temperature increase.