Qualification > Sciences
ALL CIE CHEMISTRY DOUBTS HERE !!
elemis:
--- Quote from: narnia on April 06, 2011, 09:47:33 am ---no problems.
how can ch3ch2ch2ch3 can result from mixing ethane n cl2 in uv light?? =/
--- End quote ---
You know that in free radical substitution of ethane an ethyl radical is formed, correct ?
Thus, in a resulting a termination step :
CH3CH2* + CH3CH2* ---> CH3CH2CH2CH3
narnia:
--- Quote from: Ari Ben Canaan on April 06, 2011, 09:54:35 am ---You know that in free radical substitution of ethane an ethyl radical is formed, correct ?
Thus, in a resulting a termination step :
CH3CH2* + CH3CH2* ---> CH3CH2CH2CH3
--- End quote ---
godamn i just overlooked tht part...
anyways, can u please answer the second part in my pevious post as well if possible?
HUSH1994:
MJ 2006 Paper 1 Q3 & 10 please
In question 10 i know that the Kp is the pressure of the products over the reactants,which is p(NO2)^2
----------
p(N2O4)
so how do you get the partial pressures for each
elemis:
--- Quote from: ~~!$!HUSH!$!~~ on April 14, 2011, 05:38:50 am ---MJ 2006 Paper 1 Q3 & 10 please
In question 10 i know that the Kp is the pressure of the products over the reactants,which is p(NO2)^2
----------
p(N2O4)
so how do you get the partial pressures for each
--- End quote ---
Question 3
Nitrogen receives 3 electrons from Gallium to form an N3- ion. Can you determine the answer by yourself now ?
Question 10
Lets say initially there were 2 moles of N2O4
50% of this dissociates, hence, 1 mole dissociates giving 2 moles of NO2 (use the molar ratio).
Partial pressure of molecule = no. of moles of molecule present at equilibrium/ TOTAL no. of moles at equilibrium
Can you do it now ?
HUSH1994:
Thanks man i got it,sorry i meant Q2 not 3,3 is too easy
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