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2513737
chemical kinetics
Description
main key point of chemical kinetics
Mind Map by
1916rihan
, updated more than 1 year ago
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Created by
1916rihan
over 9 years ago
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Resource summary
chemical kinetics
expression of average rate of rxn
rate law
rate=k[A][B] or -d[R]/dt=k[A]^x[B]^y
for eg 2NO +O2----->2NO then ,rate=k[NO]^2[O2]
order of the rxn
the sum of powers of concetration of the reactants in the rate law expression is called order of the rxn
units of rate of the rxn
1st order rxn=s
graph of 1nd order rxn
zero order rxn =mol L s
graph of zero order rxn
second order rxn=mol L s
graph of 2nd order rxn
molecularity of a rxn
the number of reacting species taking part in an elimentary rxn which must collide in order to bring abot a chemical rxn
integratedrate of equation
zero order rxn
k=[Ro]-[R]/t
Graph
1ST ORDER RXN
K= (2.303\T)Log[Ro]\[R]
graph
half life =0.0693/k
pseudo 1et order rxn
k'=[HO]K
IF All recatant and produt are gaseous
k=(2.303/t)log (P i/P a) then k=(2.303/t)log(Pi/(2Pi-Pt))
TEMP DEPENDENCE OF RATE OF RXN
-Ea/RT K=Ae ...
lnk=-(Ea/RT)+Ln(K)
Ln(K2/k1) = Ea [ T2-T1] 2.303[T1.T2]...
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