Sagot :
Answer:
SUBLIMATION
Explanation:
Sublimation is the progress of a substance straightforwardly from the strong to the gas state, without going through the fluid state. Sublimation is an endothermic interaction that happens at temperatures and tensions under a substance's triple point in its stage chart, which compares to the most reduced strain at which the substance can exist as a fluid. The opposite course of sublimation is affidavit or desublimation, in which a substance passes straightforwardly from a gas to a strong stage. Sublimation has additionally been utilized as a nonexclusive term to depict a strong to-gas change (sublimation) trailed by a gas-to-strong progress. While vaporization from fluid to gas happens as dissipation from the surface on the off chance that it happens underneath the limit of the fluid, and as overflowing with development of air pockets in the inside of the fluid in case it happens at the edge of boiling over, there is no such qualification for the strong to-gas progress which consistently happens as sublimation from the surface.
The term sublimation alludes to an actual difference in state and isn't utilized to depict the change of a strong to a gas in a substance response. For instance, the separation on warming of strong ammonium chloride into hydrogen chloride and alkali isn't sublimation yet a substance response. Additionally the ignition of candles, containing paraffin wax, to carbon dioxide and water fume isn't sublimation yet a synthetic response with oxygen.
Sublimation is brought about by the retention of hotness which gives sufficient energy to certain atoms to beat the alluring powers of their neighbors and getaway into the fume stage. Since the interaction requires extra energy, it is an endothermic change. The enthalpy of sublimation likewise called fieriness of sublimation can be determined by adding the enthalpy of combination and the enthalpy of vaporization.
What is sublimation?:
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