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  1. A

    CHEM PP3! HELP!

    Yes, but temp has a role also?!! Why only pressure lol. Increasing pressure, then eq tries to decrease it, shifts in products side, so more products than reactants. and opposite. Is that right?
  2. A

    CHEM HELP AGAIN|! DAMMIT Last time :D

    But wait, Silicon dioxide isn't joined to 4 atoms... like diamond I only know that both are hard yes and both don't conduct E.C and about being ductile but nothing about m/b point...
  3. A

    CHEM PP3! HELP!

    I didnt get anything you said. Pressure cannot be changed in equilibrium. Only temp can be controlled??
  4. A

    CHEM HELP AGAIN|! DAMMIT Last time :D

    Describe diff between a metal and non metal, Ok it's easy but its a bit not easy to explain in words. We can say a metal is a atom that loses electrons to gain positive charge aquiring the nearest noble gas config. and opposite for non metal? Also, Describe similarity in properties between...
  5. A

    CHEM PP3! HELP!

    The catalyst is always known to be powdered to have a large surface area, that i understand and temp 450 is optimum for both reaction and yield. Pressure is 250 Atm pressure Also, i know no pressure is used for contact process but i read somewhere it should be low.. but thanks for telling me...
  6. A

    CHEM PP3! HELP!

    200-250 would work right?
  7. A

    CHEM PP3! HELP!

    Contact process Catalyst is vanadium(IV) oxide and temp is 450C And pressure is 2 atm pressure What about haber process? Catalyst is iron and temp is 450C but what is the pressure? Please fast!
  8. A

    Chem help!!!

    anyone?!!!
  9. A

    Chem help!!!

    Our school has the stupidest system of all. They didn't give us a text book and that's why i'm getting f**ed,, :/ so i'm just revising syllabus with nothing but my notes and knowledge.
  10. A

    Chem help!!!

    That is what it says on the syllabus? and are you sure of these answers? because they somewhat seem strange lol :p
  11. A

    Explanation needed for graduation!!! and college!

    Why wouldn't i go to college at this age? I have the opportunity so why decline it? And no, i can't do them both. I'm thinking about doing AS atleast then see how life goes.
  12. A

    Chem help!!!

    1)Describe the production of heat energy by burning fuels? 2)Describe hydrogen of fuel 3)Describe radioactive isotopes, such as U^235 as a source of energy Please help
  13. A

    Explanation needed for graduation!!! and college!

    I'm in year 11 now, i took all subjects needed. If i want to go to a college from this age, is it good or bad? and is it undergraduate or graduate w.e. Also, If i was to complete AS and A level, Would accelerating them in the same year be easy or hard? Thanks.
  14. A

    May/June 2011 Physics threshold discussion

    Paper 1 - 35-36 Paper 3 60-70 Paper 6 37-38
  15. A

    CHEM PP3 HELP

    Not a paper, syllabus. Only answer 1 isn't reliable for explanation or description.
  16. A

    CHEM PP3 HELP

    Describe and explain the importance of controlling acidity in soil. Describe the idea that some chemical reactions can be reversed by changing the reaction conditions Someone explain both for me please.
  17. A

    1 thing abut titration i didnt understand

    I don't think it matters tbh?
  18. A

    to PHYSICS PAPER 3: I HATED UUUU !!!

    This is stupid. This is not a normal exam. This is a exam for college students. What the hell is this? I honestly screwed up. They want to reset in november,
  19. A

    to PHYSICS PAPER 3: I HATED UUUU !!!

    What the hell? 31 was so hard. Hardest Physics exam i've seen for now! What the hell is this?~!! I did so bad
  20. A

    to PHYSICS PAPER 3: I HATED UUUU !!!

    What is not allowed about saying hard or easy? This rule stinks honestly.
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