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Grade: upto college level

                        

Water standing in the open at 32ºC evaporates because of the escape of some of the surface molecules. The heat of vaporization is approximately equal to ϵn, where ϵ is the average energy of the escaping molecules and n is the number of molecules per kilogram. (a) Find ϵ (b) What is the ratio of ϵ to the average kinetic energy of H 2 O molecules, assuming that the kinetic energy is related to temperature in the same way as it is for gases?

5 years ago

Answers : (1)

Deepak Patra
askIITians Faculty
471 Points
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5 years ago
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Course Features

  • 110 Video Lectures
  • Revision Notes
  • Test paper with Video Solution
  • Mind Map
  • Study Planner
  • NCERT Solutions
  • Discussion Forum
  • Previous Year Exam Questions


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