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Ethyl chloride (c2h5cl) boils at 12∘c. when liquid c2h5cl under pressure is sprayed on a room-temperature (25∘c) surface in air, the surface is cooled considerably. part a what does this observation tell us about the enthalpy of c2h5cl(g) as compared with c2h5cl(l)?

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Since the surface where the liquid was sprayed cooled instantly, therefore we can say that some heat must be absorbed by the liquid to make that surface cooler. So since heat was absorbed by the liquid to become gas, hence the enthalpy of the C2H5Cl (g) is higher compared to C2H5Cl (l)

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