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Helium has a low latent heat of vaporization at 3.45 Jg. This indicates that helium has?
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What does latent evaporation equal?
Latent evaporation is the amount of energy required to convert a liquid into vapor at a constant temperature. It is equal to the latent heat of vaporization of the substance being evaporated.
What does the latent heat of vaporization represent?
The amount of energy required to turn a mole of a liquid into a gas
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.
Heat that causes a substance to change form is called?
The heat that causes a substance to change form is called latent heat. This heat is absorbed or released during a phase change, such as melting, freezing, vaporization, or condensation, without causing a change in temperature.
What are two changes in state the require the addition of latent potential energy?
Two changes in state that require the addition of latent potential energy are melting and vaporization. When a solid melts into a liquid or a liquid vaporizes into a gas, energy is absorbed to overcome intermolecular forces and change the state of the substance without changing its temperature.
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 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 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 does the heat latent heat of vaporization measure?
The energy required to boil a substance
Silicon has a relatively large latent heat of vaporization of 12800 Jg. This indicates that silicon has?
a high energy requirement to vaporize. The latent heat of vaporization measures the amount of energy needed to transform a substance from liquid to gas at its boiling point. In the case of silicon, the high value suggests strong intermolecular forces holding the silicon atoms together in its solid state.
What does latent evaporation equal?
Latent evaporation is the amount of energy required to convert a liquid into vapor at a constant temperature. It is equal to the latent heat of vaporization of the substance being evaporated.
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
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 is the Latent heat of vaporization for ethyl acetate?
The latent heat of vaporization for ethyl acetate is approximately 28.44 kJ/mol. This is the amount of energy required to convert one mole of liquid ethyl acetate into vapor at its boiling point.
What information does latent heat of vaporization give?
The latent heat of vaporization indicates the amount of heat energy required to change one unit of mass of a substance from liquid to gas at constant temperature. It is a measure of the strength of the intermolecular forces holding the liquid together.
What does the latent Of heat of vaporization represent?
The amount of energy required to turn a mole of a liquid into a gas
What does the latent heat vaporization represent?
The amount of energy required to turn a mole of a liquid into a gas
