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  1. TheStallion-Reborn

    Biology; Chemistry; Physics: Post your doubts here!

    1)THE COOLING EFFECT OF EVAPORATION; I know the phenomenon, but what exact wordings are we supposed to use here when answering a question in the exam. Is it that the energy is lost from breaking bonds of the liquid and turn it into a gas or is it that the molecules with the most energy...
  2. TheStallion-Reborn

    Biology; Chemistry; Physics: Post your doubts here!

    are we actually supposed to prepare these circuits? o.O well because I've been told such questions ALWAYS come from at a choice so there's no harm in completely leaving it altogether. Any words of advice?
  3. TheStallion-Reborn

    Thankiess! :)

    Thankiess! :)
  4. TheStallion-Reborn

    Help with finding motivation? :(

    Help with finding motivation? :(
  5. TheStallion-Reborn

    [Game] | MALE Vs. FEMALE

    5400
  6. TheStallion-Reborn

    [Game] | MALE Vs. FEMALE

    5410
  7. TheStallion-Reborn

    [Game] | MALE Vs. FEMALE

    5410
  8. TheStallion-Reborn

    Biology; Chemistry; Physics: Post your doubts here!

    almost every skul skips this topic. the reason being that these topics come in a question which comes as an option ALWAYS!
  9. TheStallion-Reborn

    Biology; Chemistry; Physics: Post your doubts here!

    thankies. i was cnfusd abt the doubl displacmnt. i knew tht sodium will displace copper bt didnt knw hw will carbonate replace sulphate r mayb the other way. infct m still nt clear. :D
  10. TheStallion-Reborn

    Biology; Chemistry; Physics: Post your doubts here!

    i noe thrt. thts gna b always the case because sodium is more reactive than copper. read my post again :/
  11. TheStallion-Reborn

    Biology; Chemistry; Physics: Post your doubts here!

    i undrr stood all of it but just aa few ambiguities. if v add sodium to copper sulphate v will ofc se copper deposits and sodium sulphate will be formed but will addition of sodium CARBONATE mean that copper will joim with the carbonate. any theory or conceot which may explain this? and for the...
  12. TheStallion-Reborn

    Biology; Chemistry; Physics: Post your doubts here!

    cannsum1 pleeeeaase help me with question number 9 part g&h of chemistry may/jume2006 paper 4. sorrybfor inconvinience, i can't post the link here since im using my phone. thamkyou
  13. TheStallion-Reborn

    Biology; Chemistry; Physics: Post your doubts here!

    moles=given mass/mr. so mr of hcl is 1+35.5=36.5. so 36.5*1.43=52.195. i hope dis helps. can u check the answr in marking scheme so I can be sure if my method is right or not
  14. TheStallion-Reborn

    2 words; YOU'RE AWESOME!!!

    2 words; YOU'RE AWESOME!!!
  15. TheStallion-Reborn

    Biology; Chemistry; Physics: Post your doubts here!

    i was finding 'displacement reaction' in the options. i get the point tht y is it redox. so should i consider it a rule tht displacement reactions are redox reactions? does this apply everywhere? aaaaaaaa.......okay i get it...the prblem is,,,u cn never learn to answr such questions. i did have...
  16. TheStallion-Reborn

    Biology; Chemistry; Physics: Post your doubts here!

    oh. n theres another dumb question. N this seriously has started pissing me off! GOD iv got no tym left n im cuming up wid such problems. aniways, ur valuable help is needed here. http://papers.xtremepapers.com/CIE/Cambridge%20International%20O%20Level/Chemistry%20(5070)/5070_s06_qp_4.pdf...
  17. TheStallion-Reborn

    Biology; Chemistry; Physics: Post your doubts here!

    but i supose all v have to worry about (4 o levels is) the molten part is very easy positive ions go towards the cathose n negativ towards anode :p as fr aqueous, its oxygen everytym xcpt fr when it is chlorine, bromine or iodine in CONCENTRATED form...as for cathode, if the positive ions are...
  18. TheStallion-Reborn

    Biology; Chemistry; Physics: Post your doubts here!

    cx they are more reactive thn hydrogen n prefer to remain in ion state
  19. TheStallion-Reborn

    Biology; Chemistry; Physics: Post your doubts here!

    i get the point that hydrogen will be produced more in quantity than oxygen. BUT; that doesnt ake it twice as much. twice as much will be there only when there is water. but we have sulphuric acid too and it produces equal amounts of h+ ions and OH- ions. lets say 1 unit each. and then v have 2...
  20. TheStallion-Reborn

    Biology; Chemistry; Physics: Post your doubts here!

    i thought iv already done my chemistry preparation and when I started an atp paper and checkd...i was shocked! please help me with question 2 of this paper. PLEASE! its very urgent! http://papers.xtremepapers.com/CIE/Cambridge%20International%20O%20Level/Chemistry%20(5070)/5070_s06_qp_4.pdf the...
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