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What requires more energy the latent heat vaporisation of water or the latent fusion of ice?
The latent heat of vaporisation of water requires more energy. This is because on melting, the intermolecular bonds in water are only weakened whereas on boiling, the bonds are completely broken, which requires a larger amount of energy.
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.
What happen to the energy being put into water when it reaches 100 degrees?
When water reaches 100 degrees Celsius, the energy being put into it is used to break the hydrogen bonds holding the water molecules together, causing the water to transition from a liquid to a gas state (vaporization). This energy is known as the latent heat of vaporization.
How much energy is transfered when 1gm of boiling water at 100c condenses to water at 100c?
When 1 gram of boiling water at 100°C condenses to water at the same temperature, it releases energy in the form of latent heat of vaporization. The latent heat of vaporization for water is approximately 2260 joules per gram. Therefore, when 1 gram of steam condenses, about 2260 joules of energy is transferred to the surroundings.
What is the energy released when steam condenses to water?
The energy released when steam condenses to water is called the latent heat of vaporization. This energy is released in the form of heat as the steam loses its thermal energy and transitions back into liquid water.
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 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 ).
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.
What requires more energy the latent heat vaporisation of water or the latent fusion of ice?
The latent heat of vaporisation of water requires more energy. This is because on melting, the intermolecular bonds in water are only weakened whereas on boiling, the bonds are completely broken, which requires a larger amount of energy.
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.
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.
Are swamp coolers effective?
the water's latent heat of vaporization is being pulled from the air, the water pulls heat from the room to undergo a phase change.
Which biological process uses the latent heat vaporization of water?
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What happen to the energy being put into water when it reaches 100 degrees?
When water reaches 100 degrees Celsius, the energy being put into it is used to break the hydrogen bonds holding the water molecules together, causing the water to transition from a liquid to a gas state (vaporization). This energy is known as the latent heat of vaporization.
How your body is cooled when you perspired?
When your body perspires, it is coating your body with sweat. When it is really hot out, the sweat evaporates, cooling your body by removing the sweat.
How much energy is transfered when 1gm of boiling water at 100c condenses to water at 100c?
When 1 gram of boiling water at 100°C condenses to water at the same temperature, it releases energy in the form of latent heat of vaporization. The latent heat of vaporization for water is approximately 2260 joules per gram. Therefore, when 1 gram of steam condenses, about 2260 joules of energy is transferred to the surroundings.
Swamp coolers are effective because?
the water's latent heat of vaporization is being pulled from the air, the water pulls heat from the room to undergo a phase change.
