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Heat of vaporization is the enthalpy change when one mole of a liquid is transformed into one mole of a gas.

Heat of fusion is the enthalpy change when one mole of a solid is transformed into one mole of a liquid.

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โˆ™ 2012-08-14 09:52:01
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Q: What is heat of vaporization and heat of fusion?
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What is the difference between heat of fusion and heat of vaporization?

heat of fusion is the heat absorbed by a substance to turn it from a solid to a liquid(temp needs to remain constant) and heat of vaporization is the energy needed for a substance to go from a liquid to a gas.


What is the heat of vaporization of paraffin wax?

The heat of vaporization of paraffin wax is not available, however the heat of fusion is 200 - 220 J g^-1/


The molar heats of sublimation and fusion of iodine are 62.3kjmol and 15.3kjmol respectively calculate the molar heat of vaporization of liquid iodide?

It is a known fact : Molar heat of sublimation = molar heat of fusion + molar heat of vaporization so, molar heat of vaporization = molar heat of sublimation - molar heat of fusion Mv = 62.3 kJ/mol - 15.3 kJ/mol Mv = 47 kJ/mol.


What is the heat of sublimation from the heat of vaporization and heat of fusion?

Latent heat is the amount of thermal energy required to change the phase of a substance. Latent heat of fusion is the amount of energy needed to change it from a solid to liquid or a liquid to solid, and the latent heat of vaporization is the thermal energy needed to change from a liquid to gas or a gas to liquid. For example, in the equation Q = mL, Lfusion (latent heat of fusion) for water is 75.5 cal/gram. Lvaporization (latent heat of vaporization) for water is 539 cal/gram. Substances have different latent heats.


Is heat of fusion and heat of vaporization the same thing?

Yes and no.Both of them are numbers that describe the energy it takes to change the 'state' of a substance ...solid, liquid, gas. But they refer to different state changes.Heat of fusion is is the energy involved in changing between solid and liquid.Heat of vaporization is the energy involved in changing between liquid and gas.

Related questions

Is the heat of fusion and the heat of vaporization for a substance the same?

No, not in general. For water, the heat of vaporization is about an order of magnitude larger than the heat of fusion.


Differentiate the heat of sublimation heat of vaporization heat of fusion and the heat gain?

heat of sublimation does not cause vapor but vaporization does


Draw and discuss the relationship of heat of fusion and heat of vaporization?

There is no relationship between heat of fusion and heat of vapourisation


What is the difference between heat of fusion and heat of vaporization?

heat of fusion is the heat absorbed by a substance to turn it from a solid to a liquid(temp needs to remain constant) and heat of vaporization is the energy needed for a substance to go from a liquid to a gas.


What is the heat of vaporization of paraffin wax?

The heat of vaporization of paraffin wax is not available, however the heat of fusion is 200 - 220 J g^-1/


Which heat changes the state of a substance without changing its temperature?

both the heat of fusion and the heat of vaporization


The molar heats of sublimation and fusion of iodine are 62.3kjmol and 15.3kjmol respectively calculate the molar heat of vaporization of liquid iodide?

It is a known fact : Molar heat of sublimation = molar heat of fusion + molar heat of vaporization so, molar heat of vaporization = molar heat of sublimation - molar heat of fusion Mv = 62.3 kJ/mol - 15.3 kJ/mol Mv = 47 kJ/mol.


What is the scientific name for ice forming and melting?

For forming it is Heat of (Fusion) and for melting its Heat of (Vaporization).


What is the relation of the molar heat of fusion to the molar heat of vaporization?

Molar heat of fusion: the heat (enthalpy, energy) needed to transform a solid in liquid (expressed in kJ/mol). Molar heat of vaporization: the heat (enthalpy, energy) needed to transform a liquid in gas (expressed in kJ/mol).


What is heat fusion and heat of vaporization measures of?

The heat of fusion is the amount of heat (not temperature) required to change a solid to a liquid. It is also known as the melting point. The heat of vaporization is the amount of heat (not temperature) required to change a liquid to it's gaseous state. It is also know as it's boiling point.


What is the difference of latent heat of fusion and latent heat of vaporization?

the heat which is going into ice but not increasing its temperature,is the energy required to change the state of ice from solid to liquid called latent heat of fusion


What heat turns 1 gram of a substance from a solid to a liquid?

That's called heat of fusion. Going from a liquid to a gas is heat of vaporization.

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