• 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. gary221

    The Question Game!

    do i sound like i m kidding?
  2. gary221

    Chemistry: Post your doubts here!

    MgO is slightly soluble, n Al2O3 is insoluble
  3. gary221

    ~~jokes?? in here?? really??

    or whn u solve tht outrageously baffling problem all by urself??
  4. gary221

    AS

    AS
  5. gary221

    s ok... shudnt u hv wished me luck 2?? :p

    s ok... shudnt u hv wished me luck 2?? :p
  6. gary221

    *rolling eyes*

    *rolling eyes*
  7. gary221

    All d best!! AS?

    All d best!! AS?
  8. gary221

    ;)

    ;)
  9. gary221

    9 May

    9 May
  10. gary221

    Bio pracs...

    Bio pracs...
  11. gary221

    Chemistry: Post your doubts here!

    yup
  12. gary221

    Chemistry: Post your doubts here!

    For 10, look at the pH values given for X n Y... This shows that X is an acid - pH =pH below 7, n Y is a base pH abv 7. Student P says that X is a strong acid which is completely wrong, as strong acids do not have such a high pH.. However Q says tht Y dissociates more, n since Y is a base, we...
  13. gary221

    Chemistry: Post your doubts here!

    For 9, 1 mole of gas = 24 dm3 x moles of gas = 3 dm3....ie 0.125 moles = 3 dm3 Now find the no of moles of all the gases given... Mass/Mr the ans is C
  14. gary221

    Chemistry: Post your doubts here!

    For 8, find the mass of Cl2 ie 5.287 - 2.920 = 2.367g thn find the no of moles of Cl2 ie ( 2.367/71) o.o33 moles we know the ratio of moles of X : Cl2 is 1:1 thus no of moles of X is also 0.033 then simply substitute moles n mass in Moles = Mass/ Mr , we get Mr = 87.6 which is the mass no of...
  15. gary221

    Chemistry: Post your doubts here!

    :D
  16. gary221

    Chemistry: Post your doubts here!

    its a nucleophilic substitution bcoz d C atom bonded to the hydroxyl grp will carry a partially positive charge (diff in electronegativity of O n C). This makes it open to nucleophilic attack. ie the partially -ve halogen atom in hydrogen halide will attack the bond btw the C n hydroxyl grp...
  17. gary221

    Chemistry: Post your doubts here!

    Did u try googling it?? :p nywy...The answer to this question depends on your point of view. From a thermodynamic point of view tertiary alcohols are resistant to oxidation, due to the fact that C-C single bonds are stable. Simply speaking, a carbon atom surrounded by three further carbon atoms...
Top