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Latent Heat of Vaporisation

MERITNATION E...

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MERITNATION EXPERT (CHEMISTY): KINDLY PROVIDE THE ANSWER -
Q. HOW DO ICE ( NOT DRY ICE! ) SUBLIME AT PERMAFROST REGIONS ? WITHOUT EVEN CHANGING TO LIQUID!

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Solution

Because the atmospheric pressure at the surface of permafrost regions is extremely low and the average temperature is below the freezing point of water. It leads to rapid evaporation or sublimation.

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Q. Sublimation is the process by which a solid becomes a gas without having a liquid phase. Which of these substances can sublime?
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