Recent content by susperia_knvb

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    Why do Alkaline Metals React Violently with Water?

    haha. Rubidium is awesome stuff. its so amazing that such small quanities of an element can create such a big bang! especially Ceasium... if that clip is indeed true... well it split the bathtub in half! 2grams! there once was a teacher at our school who threw a block (maybe 3-4 possibly...
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    News Do you agree with the legalization of stem cell research in New South Wales?

    im personally very for stem cells and research with them i think they are a great step forward for humankind as a race. but we were doing this ethical debate in a theory of knowledge class a few weeks ago... it seems some people (especially those who can't have babies) are very against it...
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    Why do Alkaline Metals React Violently with Water?

    wow. that's so stupid.seriously some kids are so thick its unbelievable. i heard something about hydrogen balloon bombs in a rural town in australia once. not sure how they worked thou.
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    News Do you agree with the legalization of stem cell research in New South Wales?

    ok... here is something interesting. I take it most of you haven't heard, but the most populated state in australia (New South Wales) has just passed a bill (act of parliament) through the lower house to legalise stem cell research in the state. Do you agree or disagree with this...
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    News Reexamining the Terrorist Nature of WWII and the Atomic Bombings of Hiroshima

    i just think wars should be avoided at all costs. wwII an act of terrorism? i don't no. it really depends upon your definition, some people will class some things as terror attacks whereas others wont. Now I am no history student... but to me wwII (from what i know year10 and friends) began...
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    Why do Alkaline Metals React Violently with Water?

    id never do it myself... i just like the power of these metals and seeing them actually do it. people in our chem class are always joking about what would happen and now we have seen :) so the desire is gone :) but just wow.
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    Maths Integration Problem HELP

    damn it. lol. how stupid of me. missed the cancelling there totally. ah! no wonder i could do the rest of the chapter *shakes head*
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    Maths Integration Problem HELP

    x^(1/2) becomes (2/3)x^3/2) then multiplying in the two becomes... (4/3)x^(3/2) which is correct yeh? cool :D ok another one. (1-4x)/(x*root*x)... i can't do the (4x)/(x^(3/2))
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    Maths Integration Problem HELP

    ok. i don't get where the x^(3/2) comes from. \frac{x}{\sqrt{x}} becomes x.x^(-1/2)... then we add the powers? = x^(1/2)?
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    Maths Integration Problem HELP

    take the two out the front of the integral sign and then multiply?
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    Welcome to Luzirahs: 28y/o Mechanical Engineer from Kuala Lumpur

    what did you guys do in aeronautics? I am really thinking about taking that course down at sydney uni next year. that or architecture
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    Why do Alkaline Metals React Violently with Water?

    just a general interest thing for chemists. i was shown this youtube video the other day: http://youtube.com/watch?v=gRuoWkOlaHM it is the show Brainiac and they are demonstrating Alkaline Metals reacting with water. They show brief Lithium, Sodium and Potassium reactions; then drop 2g...
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    Maths Integration Problem HELP

    Maths Integration Problem! HELP! Homework Statement ok maths problems is like this: 2.g. integrate (2x-1)/*square root x* The Attempt at a Solution ok. i split the equation up so that i am integrating 2x/*root x* - 1/*root x* the 1/root x integrates to - 2x^(1/2) and the constant is...
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