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ALL CIE CHEMISTRY DOUBTS HERE !!

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EMO123:
(Oct/Nov 2004 paper 1)
q-3
10cm3 of CH3SH
60cm3 of 3O2

so 70cm3 of total solution

now as water is already water at room temprature
so remove it from it

so you will get 50cm3

hope it works for you

EMO123:
in the attachment full summary of shapes

EMO123:
(Oct/Nov 2004 paper 1)
q-10

as there are 2 molecules of H
:. it is (0.20*1)/1.1
and 1 molecule of oxygen
:. it is (0.10*1)/1.1

:. answer is D

EMO123:
(Oct/Nov 2004 paper 1)
q-12

the energy is added more to increase the proportion of molecules
this energy is activation energy

i think it is not right anyone plzz check this answer

EMO123:
an i also have doubt
from
(Oct/Nov 2004 paper 1)
q-18,27
(May/June 2006 paper 1)
q-2,38

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