Phase Changes (Section)Ethyl chloride (C2H5CI) boils at 12
Chapter , Problem 42E(choose chapter or problem)
Problem 42E
Phase Changes (Section)
Ethyl chloride (C2H5CI) boils at 12 °C. When liquid C2H5CI under pressure is sprayed on a room-temperature (25 °C) surface in air. the surface is cooled considerably: (a) What does this observation tell us about the specific heat of C2H5CI(g) as compared with that of C2H5CI(/)? (b) Assume that the heat lost by the surface is gained by ethyl chloride. What enthalpies must you consider if you were to calculate the final temperature of the surface?
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