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  1. Falconwing

    Chemistry: Post your doubts here!

    If B was to be true, then purple vapour would've formed with sodium iodide in the second row too Sulphur has a charge of +2 in this case, so S2O3 has a total charge of -2 which becomes -4 since there are two of them. The total charge of the entire molecule is -3, so Ag must be +1.
  2. Falconwing

    Chemistry: Post your doubts here!

    v1 / 298 = v2 / 323 so v2 = 1.08v1 it won't be doubled. You were probably taking it in celsius instead of kelvin
  3. Falconwing

    Chemistry: Post your doubts here!

    It's probably A, strong acid + strong base = highest enthalpy, weak acid + strong base = lower enthalpy and so on.
  4. Falconwing

    Chemistry: Post your doubts here!

    I had no idea there was a connection! Thanks alot ^^
  5. Falconwing

    How was S1 Statistics 62?

    Q4 - I don't think the events are independent, so why would you multiply them?
  6. Falconwing

    Chemistry: Post your doubts here!

    http://maxpapers.com/wp-content/uploads/2012/11/9701_w14_qp_11.pdf 40) A reaction pathway diagram is shown. energy extent of reaction Which reactions would have this profile? 1 (CH3)3CBr + NaOH → (CH3)3COH + NaBr 2 CH3CH2Br + NaOH → CH3CH2OH + NaBr 3 (CH3)3CCH2CH2Cl + 2NH3 → (CH3)3CCH2CH2NH2 +...
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