What is the meaning of absorp 680cal/gm to change the state?
For substance to change state, heat must be absorbed or released. 1. Evaporation: heat absorbed by water (600 Cal/g) is the latent heat of evaporation
2. [ Condensation: Water vapor changed to liquid, latent heat of evaporation (600 Cal/g) is released
3.Melting: the heat absorbed by the ice (80 Cal/g) is the latent heat of melting
4. Freezing: the latent heat of melting (80 Cal/g) is released
5. Sublimation: Solid is changed directly to a gas - heat is absorbed (680Cal/g)
6. Deposition: Water vapor (gas) changed directly to a solid - heat is released (680Cal/g). ]
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Asked 1/10/2013 8:14:46 AM
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