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  1. Z

    You just gotta get up again and dust yourself, it's gonna be worth the suffering ;)

    You just gotta get up again and dust yourself, it's gonna be worth the suffering ;)
  2. Z

    Having a problem with an Enthalpy Change Question. Please Help

    That was really helpful. Thank you very much!
  3. Z

    Tables turn, bridges burn, you live and learn.

    Tables turn, bridges burn, you live and learn.
  4. Z

    Having a problem with an Enthalpy Change Question. Please Help

    Hey Guys! I came across this question in past paper June 2011 p23 chemistry that says " Hydrazine does not burn spontaneously in oxygen. Suggest a reason for this." I went to the mark scheme and it said " because Ea is too high". What does that exactly mean? If anyone knows the clear explanation...
  5. Z

    Thank yoou!

    Thank yoou!
  6. Z

    Interesting community : P

    Interesting community : P
  7. Z

    sudan

    sudan
  8. Z

    You can pick your nose, or you can pick your friends. But you can't pick your friend's nose.

    You can pick your nose, or you can pick your friends. But you can't pick your friend's nose.
  9. Z

    Hello there, thank you!

    Hello there, thank you!
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