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Recent content by saifeddin

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    Chemistry: Post your doubts here!

    okay so 58.5 kg of NaCl is 1000 moles.. meaning that the rest of all the other reagents are going to have 1000 moles each... you have 1 H atom, which is 1 g/mol. multiply this by a thousand you will get 1 kg of (H). you also have 1 Cl atom in the equation and it's 35.5 g/mol. multiply this by a...
  2. S

    Chemistry: Post your doubts here!

    how to know if a precipitation dissolves in excess or not? from the practical papers, the cations and anions questions
  3. S

    A-Levls

    it's up to u, if u can finish 3 A level courses in one year you can take them immediately after that one year.. u can also take anything you want in the next oct/nov session
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    i need help in AS chemistry practicals.. please :D

    when doing the cation and anions tests, how do i know that some solution dissolves in excess or not? what dissolves in excess the precipitate? #clueless :P
  5. S

    Tips for Chemistry Practicals (P3)

    if only i can like this twice ;) thanks a lot man ! just one question tho.. what is the excess stuff when doing anions and cations.. hw can i kno whether or not a solution disolves in excess or not? i dont understand it :/
  6. S

    Tips for Chemistry Practicals (P3)

    if only i can like this twice ;) thanks a lot man ! just one question tho.. what is the excess stuff when doing anions and cations.. hw can i kno whether or not a solution disolves in excess or not? i dont understand it :/
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    Physics ppr1

    anytime
  8. S

    Physics ppr1

    Q Q8 its because the total moment is higher since the force is further away from the pivot Q10 gravitationakl potential energy doesnt go zero when it's above the ground Q18 no the liquid expands because the molecules go further apart from each other Q23 idk what do u mean? :P Q33 ok at R the...
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    Is it just me or have they changed the examination trend in general?

    yep
  10. S

    Chemistry paper 3 Discussionnnnn

    anyone ready 100% for it? post any doubts or any questions u have here :)
  11. S

    wrote in the for examiner's use column

    as long as it isnt part of the answer as keywords or even a fell word or sentence i believe its f9 :) dw
  12. S

    IGCSE Literatue :) !!

    do we have to answer each question in new page???
  13. S

    People who take arabic as a first language 0508

    guys i have a question in the tal5ees.. do i actually have to write down the points separately then write the summary?
  14. S

    IMPORTANT QUESTIONSSSS!!!

    Oh n my other question is in arabic... when they said summerise two passages in one.. do we have to actually write down the points as bullets THEN we make the summery?
  15. S

    IMPORTANT QUESTIONSSSS!!!

    Literature they gave us instructions saying (START EACH NEW QUESTIONS ON A FRESH PAGE) i didnt do that :/ would i get marked down :/? What happens?
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