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  1. B

    Post your chemistry questions here.

    the catalyst used in the Haber process is the magnetite Fe_{3}O_{4}. this catalyst is needed because if the temperature of reaction becomes to high the yield of ammonia becomes to low for desirable yields. Although a higher temperature will provide a higher successful collision rate per second...
  2. B

    Post your chemistry questions here.

    PS the polymerisation for cellulose in Conquering Chem page 23 has the info and page 24 has an example question (question no. 24)
  3. B

    Post your chemistry questions here.

    First to the question, mass of 6969 molecules of glucose so find the number of moles; 6969/6.022x10^23 = 1.157x10^-20 moles therefore the mass of 6969 molecules is; 1.57x10^-20 X (6X12.01+12X1.008+6X16) = 2.095x10^-18 g/molecule and if the question asks for the mass of a cellulose molecule with...
  4. B

    hi hey helloooooooooo =D would be much appreciated if you could help

    mashie basha =D
  5. B

    hi hey helloooooooooo =D would be much appreciated if you could help

    you are very wierd =P thanks again faker
  7. B

    hi hey helloooooooooo =D would be much appreciated if you could help

    hey Fakermaker, thanks for your offer but a teacher has emailed me thank you though and sorry for the disturbance.
  8. B

    hi hey helloooooooooo =D would be much appreciated if you could help

    lol yeh I won't be allowed to go school but best of luck with him and your going to kill his life =P
  9. B

    hi hey helloooooooooo =D would be much appreciated if you could help

    lol was actually going call you horsie =P yeh can't really ask him belonging (Great Expectations by Charles Dickens) texts in time (Frankenstein written by Mary Shelley and Blade Runner filmed by Ridley Scott) Hamlet (William Shakespeare) history and memory (poems of Denise Levertov). thanks...
  10. B

    hi hey helloooooooooo =D would be much appreciated if you could help

    lol I would ask my teacher but he is sick and would take a long time to reply if he does, and my tutor decided to go on a cruise( wierd I know). So I would just like it if someone would take a look
  11. B

    hi hey helloooooooooo =D would be much appreciated if you could help

    helloooooooo :wavey: just wondering if there is anyone that can check my english advanced essay/s?? thank you in advance :awesome:
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