• We need your support!

    We are currently struggling to cover the operational costs of Xtremepapers, as a result we might have to shut this website down. Please donate if we have helped you and help make a difference in other students' lives!
    Click here to Donate Now (View Announcement)

Search results

  1. S

    Maths HL Complex Number-Doubt??? Need help ASAP

    Can someone please do this sum and show it to me Q) Prove that Z x conjugate of W minus conjugate of Z x W is purely imaginary and zero for all complex numbers z and w. Please Help!!!! Thanks in advance!!!! :D
  2. S

    Math sum,help needed to solve this sum

    I've just begun with IB like only a month now,can someone pl solve this sum for me,it's from exponentials and logarithms A) e^x= -x+1 B) 2e^x= -3x-1 C) e^x= x+1
  3. S

    Chemistry doubt(Urgent)-(0620)

    Can someone please explain me this question's answer: 32) Dry air is passed over hot copper until all the oxygen has reacted. The volume of gas at the end of the reaction is 120cm3. What is the starting volume of dry air? A )132cm cube B)150cm cube C) 180cm cube D) 600cm cube (You could refer...
  4. S

    Biology(0610)-Need doubt clarification(Urgent)

    15) Cobalt chloride paper is blue when dry but turns pink when wet. Some blue cobalt chloride paper was fastened to the upper and lower surfaces of a leaf on a plant X and a leaf on plant Y. The diagram shows the results of the experiment. (Please refer to question paper of May/June...
  5. S

    Need Urgent Help in Chemistry (0620)-Extended

    Can anyone please tell me how to calculate the time in the this question:This question is from paper 32 of May/June seesion 2011.Sorry I didn't know how to upload the table that was given,please see the question paper for the table for the 3rd question. 3 ) The equation for the reaction...
  6. S

    Need urgent help for French continuous writing Paper 4(0520)

    Guys pl give me ur advice on how to prepare for the french continuous writing,really bad in continuous writing... and I'm scared how will I do my paper:eek:
Top