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87.6kcal/kg
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Why is latent heat important to the atmosphere?
Latent heat is an important form of atmospheric energy. Latent heat is a property of water vapor in the atmosphere and when water vapor condenses it releases latent heat. Latent heat must be supplied to evaporate liquid water and this heat affects the behavior of the weather.
What process releases the latent heat of water vapor to make the air warmer?
1. Process that release "Latent Heat" : a. Freezing, b. Condensation, - (Greatest amount of released Latent Heat.) c. Deposition. 2. Process that absorbs "Latent Heat" : a. Melting, b. Evaporation, - (Greatest amount of absorbed Latent Heat.) c. sublimation.
Why does sodium acetate release heat?
The crystallization of sodium acetate is an exothermic process.
What is the engery required to go from liquid to gas called?
The energy needed to go from a liquid to a gas is referred to as heat of vaporization.
What was the first heat sensitive fiber?
Acetate. Because heat sensitivity refers to fibers that soften or melt with heat rather than scorch and acetate melts.
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
Heat of vaporization of methyl acetate?
32.8
What is the electrical method to determine the specific latent heat of vaporisation?
coclude the specific latent heat of vaporization
What is the latent of vaporization?
The latent heat of vaporization is what is commonly referred to as boiling. This is the amount of energy require to change from a state of liquid to vapor.
What does the heat latent heat of vaporization measure?
The energy required to boil a substance
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?
2260 kJ/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.
Why does the temperature stops rising during melting and boiling point?
Because the latent heat of fusion and latent heat of vaporization are very high
What does the latent heat of vaporization represent?
The amount of energy required to turn a mole of a liquid into a gas
What appliances make use of latent heat of vaporization?
Refrigerator, freezer and air conditioner.
What does L mean in the equation Heat equals mL?
L can either mean the latent heat of vaporization or condensation. The latent heat of vaporization is the energy required to completely turn 1 kilogram of a liquid into a gas at its boiling point. The latent heat of condensation is the energy required to completely turn 1 kilogram of a solid into a liquid at its melting point.
