Recent content by pengko

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    Need help from a REALLY REALLY GOOD chemist

    no no chemistree. you got me wrong. the real question is still Time released medicine (or called slow releasing (SR) medicine) is a beneficial product for patients. The basic design of this type of medicine is active ingridients coated with special soluble polymer. Let assume a polymer M...
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    Need help from a REALLY REALLY GOOD chemist

    genius chemistree. where are you?
  3. P

    Need help from a REALLY REALLY GOOD chemist

    It's an open question related to this question Dear genius chemistree, my lecturer said that the question i asked you before is an open question related to this question: Drug A is consumed corresponding to a first order rate law with a half life 3.5 hour in the human body. The effective...
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    Need help from a REALLY REALLY GOOD chemist

    oh my god chemistree. you ARE GOOD! really! thanks heaps for the explanation. will ask for further information from my lecturer about this. once again, thanks heaps!
  5. P

    Need help from a REALLY REALLY GOOD chemist

    im not quite sure myself. this question is given by my lecturer. you sure we need to know the therapeutic dose, the absorption and the elimination rate to begin answering this question?
  6. P

    Need help from a REALLY REALLY GOOD chemist

    Time released medicine (or called slow releasing (SR) medicine) is a beneficial product for patients. The basic design of this type of medicine is active ingridients coated with special soluble polymer. Let assume a polymer M has zero order decomposed rate at 0.05 mg/s in blood. Please design...
  7. P

    [ask] How to calculate the initial rates of the reaction 2NO + Cl2 => 2NOCl?

    Does anyone know how to calculate the initial rates of the reaction 2NO + Cl2 => 2NOCl? Using the initial rates of NO or Cl2? Thanks a lot for the respond =)
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