Recent content by rht

  1. R

    Kinetic energy change during phase change

    sorry for the nagging, but i feel this is exactly the gap i have - im still trying to figure out what is going under boiling and melting - where u introduce heat to the system all the time, so the liquid keep its temp' (100C for water for example). if the hottest mol' leaves the liquid...
  2. R

    Kinetic energy change during phase change

    yes, this i know.. can u illustarte the avg' KE of the vapor during the boiling process (until all liquid was vaporized)?
  3. R

    Kinetic energy change during phase change

    tnx, but this doesn't really answer the question... let me put it in another way - doest the gas molecules have the same avg' KE or higher than the liquid molecules?
  4. R

    Kinetic energy change during phase change

    hi all, its been hours that i could not find a decent answer for a 'simple' Q: during a phase change (say, boiling) the temp' doesn't change, as we all know. we also know that the temp' is a measure of the system kinetic energy (KE). im interested to know how the average KE AND its...
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