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Specific Heat mans the amount of heat required to raise the temperature of a substance by a certain amount (or of course the heat it releases in cooling the same amount). It can be expressed in various units, depending which is suitable for the case being studied. Thus scientists usually use grams weight, degrees Celsius, and calories for the heat. So specific heat would be expressed as calories per gram per degree Celsius. Engineers probably prefer larger units, ie kilograms and kilocalories, or in the USA they may still use the traditional old British units, ie pounds weight and degrees Fahrenheit, and heat may be in BTU. Specific heat is relative to water, ie one calorie is the heat to raise one gram of water one degree Celsius, and one BTU similarly, one pound of water one degree Fahrenheit.

Latent heat is quite a different matter. This is the heat released in a Change of State, ie steam to water for example, or in reverse the heat required to evaporate water which is already at boiling point into water vapour. It also appears in many other substances during a change of state, for example when liquid wax solidifies, the latent heat is released. In quantity, this would be expressed as so many calories per gram, or whatever combination of units is preferred.

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16y ago
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14y ago

The specific latent heat (symbol l) is the heat absorbed or released per unit mass of a substance in the course of its isothermal change of phase. The molar latent heat is the heat absorbed or released per unit amount of substance during an isothermal change of state.

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12y ago

Heat of vaporization is how much energy it takes for the TRANSITION/CHANGE from liquid to turn in to a gas while specific heat is how much energy it take to change it's TEMPERATURE by 1C

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12y ago

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

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6y ago

Water heat of vaporization at 100 oC: 2030 kJ/kg.
Water specific heat at 15 oC: 4,187 kJ/kg.K.

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Q: What is the dfference between specific heat and latent heat?
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What is the electrical method to determine the specific latent heat of vaporisation?

coclude the specific latent heat of vaporization


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What is the specific latent heat of fusion of mercury?

The specific heat temperature of mercury is 14 degrees Celsius. Comparably, the specific temperature of water is 417.9 degrees and air is 101 degrees.


What are the applications of latent heat of fusion and latent heat of vapourisation?

the application of latent heat fo fussion is ice is used to put in drinks to make cool because ice has hih specific heat capcity


What unit is specific latent heat measured in?

The unit for specific latent heat is J Kg-1(Joules per Kilogram)


Was Joseph Black famous?

yes he was known for Latent heat, specific heat, and the discovery of carbon dioxide


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


Can latent heat be zero?

No, latent heat can never be zero.Because latent heat is the hidden heat so there has to be heat more than zero.


What two things does the specific latent heat of a material depend on?

I think it is mass and energy


Q - What is the difference between latent heat of fusion and latent heat of solidfication?

They are the same thing. Fusion and solidification both mean the changing of a liquid to a solid.


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 is the relation between the kinetic energy and latent heat?

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