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What is the difference between latent heat of fusion and latent heat of vapourization?
the heat which is absorbed by a substance for changing solid into liquid state by keeping temperature constant is called latent heat of fusion while the heat which is evolved during phase change of liquid to vapour state at constant temperature is called latent heat of vapourization
What are the factors that affect specific latent heat of fusion of a substance?
The amount of energy needed to change the "state of matter" is termed as "latent heat". This is not same for vapourisation (liquid to vapour) or for fusion (solid to liquid). For example, latent of fusion is 79.7 cal whereas latent heat for vapourisation is 541 calories. The latent depends on how closely the atoms and molecules in the matter are closely packed.
What information does the latent of fusion give?
latent heat of fusion tells us about the amount of energy that must be taken off from water at 00C to fuse it into ice at 00C . Actually this in this phase temperature remains constant and this energy is (either latent heat of fusion or latent heat of vaporization is the potential energy which is possessed by the states by their virtue.
What is the energy required to go from a solid to a liquid called?
The latent heat of fusion
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
Which best describe a major difference between latent function and manifest function?
Latent functions are unintended, while manifest functions are intended.
Which best describes a major difference between latent functions and manifest functions?
Latent functions are unintended, while manifest functions are intended.
What do you add when a liquid becomes a solid?
latent heat of fusion.
What does the latent heat of fusion?
The energy required to melt a substance
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 SI unit of latent heat of fusion?
The latent heat of fusion is defined as the heat energy required to convert a kg of a substance of liquid into solid of the same substance without a change of temperature. Q = mL where Q = Heat Energy in joules, m=mass of substance, L= Latent heat of fusion Taking units, [J] = [kg] [L] [L] = [J]/[kg] so units of latent heat of fusion are joules.kg-1
What is the amount of energy required to change a substance from a solid to a liquid?
It's the latent heat of fusion. It varies between substances, for water, it's around 333 joules of energy per gram of water, about 80 calories per gram in the old money.
