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The heat fusion of water is 80 calories per gram of water.

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What information can be found in a water heat of vaporization table?

A water heat of vaporization table provides data on the amount of energy required to change a unit mass of liquid water into vapor at a specific temperature.


What is the minimum number of kiloJoules needed to change 40.0 grams of water at 100ºC to steam at the same temperature and pressure?

The heat required to change water at 100ºC to steam at the same temperature and pressure is known as the heat of vaporization. For water, this value is 40.7 kJ/mol. First, calculate the number of moles in 40.0 grams of water using the molar mass of water. Then, use this value to calculate the minimum number of kilojoules needed using the heat of vaporization.


How do you calculate the latent heat of vaporization?

Calculating the amount of water reacted is simple with a scale. As long as the mass of the water before evaporation is measured, one can find the amount of water evaporated simply by measuring the mass of the water after evaporation and taking the difference of the mass. To convert this to volume, simply divide the mass by the density of water (typically 1g/cm3).


What is the energy absorbed by one gram of water as it changes from its liquid phase into water vapor known as?

The energy absorbed by one gram of water as it changes from its liquid phase into water vapor is known as the heat of vaporization. This energy is used to overcome the intermolecular forces holding the water molecules together in the liquid phase.


Is energy released or absorbed when water changes state from a solid to a liquid to a gas?

Energy is absorbed when water changes state from a solid to a liquid to a gas. This energy is used to break the bonds between water molecules during melting and vaporization. It is known as the latent heat of fusion and latent heat of vaporization, respectively.

Related Questions

What is the heat of vaporization of water in joules per kilogram?

The heat of vaporization of water is 2260 joules per kilogram.


What is the latent heat of vaporization of water in joules per kilogram?

The latent heat of vaporization of water is 2260 joules per kilogram.


What is water and heat of vaporization?

Heat of Vaporization id the amount of heat needed to transform a liquid into a gas while not raising its temperature.


Which substance is expected to have the highest heat of vaporization?

Water is expected to have the highest heat of vaporization among common substances.


What step changes liquid water to water vapor?

Vaporization is the change of liquid water to water vapor. Vaporization requires addition of the latent heat of vaporization to liquid water. The latent heat of vaporization supplies the liquid water molecules with enough energy to become vapor molecules. The latent heat of vaporization at 1.0 atmosphere pressure is about 1000 Btu per lbm ( 2260 kJ per kg ).


What is the value of latent heat of vaporization of water?

The latent heat of vaporization of water is approximately 2260 kJ/kg at standard atmospheric pressure and temperature. This is the amount of energy required to change 1 kg of liquid water at its boiling point into steam at the same temperature.


How your body cooled when you perspire?

Perspiration coats the outside of the skin with moisture (water). The water evaporates. Evaporation requires heat to be absorbed by the water (the latent heat of vaporization). Heat is removed from the body surface to provide the water with the latent heat of vaporization.


Use the data to determine the heat of vaporization of nitrogen?

To determine the heat of vaporization of nitrogen, you would need the enthalpy of vaporization data for nitrogen. This value is typically around 5.57 kJ/mol at its boiling point of -195.79°C. By knowing the enthalpy of vaporization and the conditions at which nitrogen is boiling, you can calculate the heat of vaporization.


How much heat does water release the when it evaporates?

The water heat of vaporization is 40,65 kJ/mol.


The amount of energy needed to change a material from a solid to a liquid is the heat of what?

The latent heat of evaporation


What information can be found in a water heat of vaporization table?

A water heat of vaporization table provides data on the amount of energy required to change a unit mass of liquid water into vapor at a specific temperature.


Is heat of vaporization for water is equal to heat on condensation of water?

Yes, the heat of vaporization for water is equal in magnitude but opposite in sign to the heat of condensation. This means that the amount of energy required to vaporize water is the same as the amount of energy released when water vapor condenses back into liquid water.