Latent heat of vaporization of 2 liquids A and B is 100j/kg and150j/kg respectively.Which can produce more cooling effect and why?

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Solution

Since we know that, the more the latent heat of evaporation of a liquid, the more cooling effect it produces.

The liquid B will produce more cooling effect because it has a higher latent heat of vapourization as compared to liquid A.

Therefore, the liquid B will absorb more heat and produce a more cooling effect than the liquid A.

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Latent heat of vaporization of two liquids a and b is 100 joule/kg and 150 joule/kg respectively which one can produce more cooling effect and why?

Q. Latent heat of fusion of two liquids A and B is 100 j/kg and 150j/kg respectively. Which one will produce more cooling. Effect and why?

Q. A container contains

0.25 k g

of a liquid at its boiling temperature.
If the latent heat of fusion for the liquid is

500 J o u l e s / k g

and the latent heat of vaporization for the liquid is

1000 J o u l e s / k g

, how much heat must be added to the liquid to boil all of the liquid away?

Why is the latent heat of fusion of ice i.e 3.34×10⁵J/kg less than the latent heat of vapourisation i.e 22.5×10⁵J/kg? Particles of solids are more tightly packed than liquids so literally the should require more energy for separation than liquids.

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