Recent content by yeung2743

  1. Y

    Diffusion of Fick's Law and Young's modulous

    Homework Statement Calculate the time needed for a perfectly spherical balloon with rahis R to reduce its volume to R/2 due to diffusion by applying Fick's law of diffusion. Assuming the young modulus of balloon is E and the gas filled is nitrogen. diffusion constant of nitrogen is D. Please...
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    Why does 1,3-dibromo-1,3-dimethylcyclobutane have cis- and trans- isomers?

    I understand now Thx all you three guys ^^
  3. Y

    Why does 1,3-dibromo-1,3-dimethylcyclobutane have cis- and trans- isomers?

    I want to know why there are cis- and trans form of 1,3dibromo-1,3-dimethylcyclobutane? and anybody explain it to me thanks a lot
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