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Title: Chemical kinetics short notes
Description: These are short notes of chapter CHEMICAL KINETICS of chemistry class 12th
Description: These are short notes of chapter CHEMICAL KINETICS of chemistry class 12th
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Chernicol kinecice
a
hose efast stch
Keaclicne
Modezae
cfser")
che
but
Tennp
...
teopesaue
...
and xate constont fos a aex quonhtavelg
:
Acc Jo Ashenius Ea?
yAnde ceet -JogA
(Glucose) Fccse
oNlenenBaa
The QasisReachenCompler
af No ot slepa Regciors
Slope =Ea
takirg
2:303gThe eachons takingThe, eachoD
moe-han one
shexe,
k=le conslart af he Rer
Place in one step
...
1/T
Slowes! slep is cale
Lakg-dnkyEa
-Ea
RTa
Rate Deleäminirg etep
Ea Achvatgn Enesgy
R=bnisegsa Gas Con nkoK1 EaR(-)Rale
of Chenicaç Reachcn:I, is the hang
TeTi/n mola~ Conc of species Aaking paA in the
T=Ternp in
kelvn
(absclute seale)
STang In boh, Sides
-Ea/er
A temp
...
deachon pes onit rne
...
NOTE)
P
he conc ofeaclant
Opexaing -
deceases, So t is
epaest by -ve sgn, hile
Ahen cne c more sbstance
undagof aachange
ashich Desuls 1n he
osrnaton
new
he cone of peduct incscases
so 1t epbesented by tve sign
...
Chemica knettcs js Ahe boaeh
ime
henis
" Avezage
...
~Change n mdas conc
of
chemýcal dencton,ha nechansm ayd thel seacont and pocduct a a nterva f Aime
...
Avg Rae cF Rex-ARI
shich desls th He stucy ol sates c
’On she bass sf speeds
Vess Poel Reacion:Some
Kale~ Change in
eSucInstçuntaneous
teoctant and pooduch
as ionic Dec oceus vesy fost
...
eg Rushng ot joon ´in he goeserce l cr
ond
moistuoeomahon of coal and
Petom
...
"A+BC+D
Rake of Re-aLAlBdl
D is conich desed
that poosen co of cadayot
he achvaion enexa of
dgco eaces
hch incoegse the sa te
...
So, ae of sec Can be given os belous ~
katalyl
Reclans
Rate f Rexn
AH
>Unit of Rate
...
gate
1s
...
aeac\ant, highex
is cbsexved hat if ocachan is sokd sssarse
|hen rae of eeachon deperds upon Ahe s2e
aA+ bB’cC
-+ dioef ils paalieJes
...
of some
scpidly in poes ence o
3adiaion
ieible lhgh
Rote of dirappusance
and visble
...
bondsateofoeachon
...
Reaccnt
H2 clz
(slew)
A>2Hes (h eplosen)
Rabe Lawo ’Rate
...
e know hat
pouoes Ahes cofcient cn
he conc of eaclant is maximwn,
lon actdepends
...
the sate o change in conch is also
nihally
As he conc ef eaclant decveases hen the
date of eachon adso decaeases
...
...
aeachoy ade
...
incoeasEs on incoeasing tenp pedicted
Rate laus fo
heoetcay
b
muust
be
...
of each
imes on Incaeasing tenp po 10
...
old ORDER
he sun of powes
aoeofbeoken
an d new
a beog?
fo orned
...
So, he ea ciyof subsse depnds on
bYcaking and Toomahon of specife bonds
...
slow)
L,Te alachio molc
çoe en co
|n the balanced
Cach sPecies
no
o he oe a c n
Iydcodes the speed of exn,Cnveote he value ePect on
ef a chenl cal seoacion
The eoachon oÝdex wih
he
...
not
and
Cenc?
Conetat at a pos tHeulax }epebaheoe
...
fers h tepexatoe
...
f xale, conslant
of saBe conslan4,fasles is he deoachon
ks nek derend upon the conc^ of'senclet iss\ Odes Reashon:
Rate kIAJ' 2HaO
2hg 40
" The unt cf sae
...
Rate - k[AJ
>Maleculaity cf Reac
...
Second czderl2 k=(has ty sec1ie
Sec
emalz | ´se
ABtcPocducl,leculaity -3
Holf odex n 2 k-(nal
" Chaxactesielie cf
oleculasuy:
holecubaiy cf a sex is alusays an intege
...
oð ZeSO values
zebO moleculay implies hat no efecive
Fis odex hese, seachon whose sae depens
bpon ohe conc tem
eachant
...
-nRo=I
put value of I in eq
...
What ls he osdes f veN9
nRo-aR= kt
snRot lau, R kCAJts)?
Chaxadeaicics a chkx of Reochon
...
species hose Conc afe
Ahe xate of eachon diecty
Kccaye'ef neactent
nimalle
...
he conc' Aems
n Tate
K
ÞColigon Faeqea
pe second pes unst
vowg
no
...
Jl is gerexay denoted
of eacing mix
Aog
(a-*)
Consides he biomoleclas
A+B
Poodyct
Acc
...
(4-x)’
en
Kate Zar e-ta/eT
bPscUDO fiost odes Rencicn:
f he Aol
Deuchen ohich
Obe noins
beceme
cnde cet\cin
Obder but
eaclion,s of Aast oodes Abe caded peeudo
Aosl ovdes Reacton
...
RP
Rate c Rer! ER)°
Aeid Calayed hyoss oF etht acetaBe
’CHzcooH + C2HsoH
Cencess) Rale-lkcHa Cooc H]
-R= k 4I
dt
diR] =kdt
-R= kt-Ro
I- B
...
" ce
Ro-R= kt
-fd LR] =kfat
oieelecula
Lt cse Jound o be he
...
tes is O in suchcisge;
Constatccaing
Jneaaaon Cenelant
he
...
Jo get the value of I
t0, R-Ro
T
(a-]’
>Hatf hfe
a Rex
he oe
Hhe
Deac\an 1s e duced do one inwhich
holf c s
Jt isvepuesented by /2
Title: Chemical kinetics short notes
Description: These are short notes of chapter CHEMICAL KINETICS of chemistry class 12th
Description: These are short notes of chapter CHEMICAL KINETICS of chemistry class 12th