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Recent content by Balaj Hassan

  1. B

    chem paper 22 KC expression

    sanni can u plz clear to me about the expression if we say that equation is hetero genous so we have to omit water or not???
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    chem paper 22 KC expression

    hmmm we all know that 0.045 moles of NaOH were used??? and 0.005 reacted with HCl so what remained were 0.04 moles of NaOH. but the thing is they told us in the question that this sample was taken when equilibrium was established kk??? so it means that at eqm 0.04 moles of ethanoic acid were...
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    chem paper 22 KC expression

    lemme tell you no chance 0.44 could be answer but if u guys ask i can give u fully detailed explanation.
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    Can someone explain to me the Kc in CHEp22?

    .6 square divided by .4 square giives us 2.25 which is the answer.
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    Can someone explain to me the Kc in CHEp22?

    oh sorry i didnt read your reply well and just explained sorry about that. BUT tell me the expression for KC as one of my friend was saying water was to be omitted in it as water is pure liquid and others are in aqueous forms causing us to apply heterogenous eqn rules. if anyone can clear i will...
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    Can someone explain to me the Kc in CHEp22?

    then whats the prob? i mean kc expression is products divided by reactants and we get (0.6)(0.6)/(0.4)(0.4)
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    chem paper 22 KC expression

    Guys can u please tell me what was the expression for kc??? in chem paper 22 AS level. Thank you.
  8. B

    Can someone explain to me the Kc in CHEp22?

    listen in the question they told us that a sample was taken when equilibrium was established so it means that after reacting 0.04 moles remained there so then as total were 0.1 moles and and 0.04 remained at eqm so moles consumed = 0.1 -0.04 = 0.06 the moles of products present at eqm. then just...
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    Physics P1 and P2: Discussi0n

    I wish it to be tough this way the percentile will drop.
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    Physics P1 and P2: Discussi0n

    The graph was to be made like this : Yar i have a confusion in this one they asked us to draw the graph as the car brakes so it means we have to omit the first 0.6s of thinking distance and start from 0s to 4s by a straight line. Please correct me if i am wrong.
  11. B

    Physics P1 and P2: Discussi0n

    The resistor is right mine was also coming the same.
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    Chem P1 and P2: DiscussiOn

    In that catalyst question i wrote dont take part in reaction. Thats what i have been hearing since last 3 years so i was sure. Also guys i have 3 questions regarding paper 2 In 1 Q part 4 Section A what is used to remove sulphur dioxide gas??? In sec A last Q first part did we have to write the...
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    Biology ATP; DiscussiOn

    Listen guys in first question first part i drew both pistil and stamen and labelled them what do u think will i get for marks???
  14. B

    Biology ATP; DiscussiOn

    Listen guys in first question first part that drawing one instead of only drawing just the female part i drew both male and female parts and labeled them will i get 3 out 5 marks???
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    BIO ATP

    Listen guys in first question first part that drawing one instead of only drawing just the female part i drew both male and female parts and labeled them will i get 3 out 5 marks???
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