tvstxwhrki What is sublimation?
Answers
Answer:
Sublimation is the process of converting solid to gas without the liquid stage.
Answer:
Sublimation is the transition of a substance directly from the solid to the gas state, without passing through the liquid state.
Equation
Calculate the heat of sublimation of the substance by dividing the heat absorbed by the substance, as calculated in step 2, by the mass of substance in grams. For example, if 47.5 g of substance was placed in the calorimeter, then the heat of sublimation would be 27,100 / 47.5 = 571 J/g
Reverse
The reverse process of sublimation is deposition (i.e., gas to solid).
Latent heat
The latent heat of sublimation at a particular temperature is the amount of heat required to convert a unit mass of solid into gas. For example, when ice sublimates into vapor, the amount of heat required at 0°C is estimated equal to 2,838 kJ/kg, which is the latent heat of sublimation of ice at 0°C.
Water
For those of us interested in the water cycle, sublimation is most often used to describe the process of snow and ice changing into water vapor in the air without first melting into water. The opposite of sublimation is "deposition", where water vapor changes directly into ice—such a snowflakes and frost.
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