CHEM ICAL KINETICS
o chemica 2eactiom.
Tanch of chemistny olealu with the Yates (sped)
pes ofchemical eactkms basedn rak at which they_ane
Complcttd:
Fast achons : Reaction nhich complek in seconds
Nuhratisatom rtachon, Nucdean eaction Pipitati6n dxn.
which complek o mins (n
Mo der at specd reaction Kxm
in the
ach'n oF
houu ln Suh nd of Tn , the chonge
Concenhakon _meas red eas'
Estitication n , Rydmlysis of esteu.
Sou dxm : Keaciom ohich Comp ute toms of dayp.
Mecsuwing th change in concenhation is labovous,
Ruin9 of i 7 ,Corosionfementaion.
Rate of a chemica xn
Charge io the Concenhrabian of cactant Coor Product wrttime
Rakt of racton Change in conc Reactank/froducs
bme
uni ok rak of 2*m MolesL"'s"_ Molan sec" MS
kohat happens to Con cunhrarion bf ea ckant_/product ortime?
R P
4o 1nitialy
R maimum , L1 o
@ t t sec
Lej dectases Pl tnceass
time (see)
, Page
Avesaqe Tae of Chemical action Oave
Chan qe in 0 poduct in detinite
ConcLnhraion e a ctant
ima inter vas cohee
1aug dekumined by Sope of Cutue
avg ttums of Rzaebion reattant
aug &]-k1
ti bsdeere
i nh
e
en. RI
Hav 4 [ sian signties yaR eattop
A+
Mana intoims of pocluch Yon
axn in tetms of produ cH
ag L-[elL
Conc
t-t
At
hgener
ort tim e
Jnstntant ovs rate re
Instant ae of acion Jina)
change in conceoahon af cactantproduct at any istond
of time.
ins del
to
d[e
dt
slope2 Cure
Jt il dekrmired by drawing a
tangent en the cactant (g7oY2
product waue
Not t Shoulde be 2emem bêted that Tak of
Of ea ctanh dimapeatane
eaual tb radc of appeaxance 0 proucs
t dt
Disappea pri
Reatants
, CIASSM
Date
Page
the rae in forms of Diappeatana oF
oF Ke askian
Oviting2 =
he they aontain
amn and appeatance ofpoduct
pmouct oit diffexent
MDoe than ene a c t a n t and
Sichiomehic Coe iaenk
while ming the rae expreMion Me sm chi omeic coelHicient
dhoul d be diui dedd betore ddt
aA+ bB C+ dD
R
dC tdD]
d ] cdt
)dt
(b)dt
of ony A andC.
Relak fhe diMapearance and 9ppeaxanc
d[cl dAl
dt
the Tatt ex prcuiom for in tems of tackant &prduct
N2 + 3 a NHa
F JdlRl NKal
Ratt o f -1d lN 3 dt dt
Re laknq N, NKa2
d N d[NR
(o d[Nu,] a dNdt
dt
dt d
tabe d[] -2 d ] d dt
[1
aNO 0, 2N
2 No]
Mak adt
dt
o chemica 2eactiom.
Tanch of chemistny olealu with the Yates (sped)
pes ofchemical eactkms basedn rak at which they_ane
Complcttd:
Fast achons : Reaction nhich complek in seconds
Nuhratisatom rtachon, Nucdean eaction Pipitati6n dxn.
which complek o mins (n
Mo der at specd reaction Kxm
in the
ach'n oF
houu ln Suh nd of Tn , the chonge
Concenhakon _meas red eas'
Estitication n , Rydmlysis of esteu.
Sou dxm : Keaciom ohich Comp ute toms of dayp.
Mecsuwing th change in concenhation is labovous,
Ruin9 of i 7 ,Corosionfementaion.
Rate of a chemica xn
Charge io the Concenhrabian of cactant Coor Product wrttime
Rakt of racton Change in conc Reactank/froducs
bme
uni ok rak of 2*m MolesL"'s"_ Molan sec" MS
kohat happens to Con cunhrarion bf ea ckant_/product ortime?
R P
4o 1nitialy
R maimum , L1 o
@ t t sec
Lej dectases Pl tnceass
time (see)
, Page
Avesaqe Tae of Chemical action Oave
Chan qe in 0 poduct in detinite
ConcLnhraion e a ctant
ima inter vas cohee
1aug dekumined by Sope of Cutue
avg ttums of Rzaebion reattant
aug &]-k1
ti bsdeere
i nh
e
en. RI
Hav 4 [ sian signties yaR eattop
A+
Mana intoims of pocluch Yon
axn in tetms of produ cH
ag L-[elL
Conc
t-t
At
hgener
ort tim e
Jnstntant ovs rate re
Instant ae of acion Jina)
change in conceoahon af cactantproduct at any istond
of time.
ins del
to
d[e
dt
slope2 Cure
Jt il dekrmired by drawing a
tangent en the cactant (g7oY2
product waue
Not t Shoulde be 2emem bêted that Tak of
Of ea ctanh dimapeatane
eaual tb radc of appeaxance 0 proucs
t dt
Disappea pri
Reatants
, CIASSM
Date
Page
the rae in forms of Diappeatana oF
oF Ke askian
Oviting2 =
he they aontain
amn and appeatance ofpoduct
pmouct oit diffexent
MDoe than ene a c t a n t and
Sichiomehic Coe iaenk
while ming the rae expreMion Me sm chi omeic coelHicient
dhoul d be diui dedd betore ddt
aA+ bB C+ dD
R
dC tdD]
d ] cdt
)dt
(b)dt
of ony A andC.
Relak fhe diMapearance and 9ppeaxanc
d[cl dAl
dt
the Tatt ex prcuiom for in tems of tackant &prduct
N2 + 3 a NHa
F JdlRl NKal
Ratt o f -1d lN 3 dt dt
Re laknq N, NKa2
d N d[NR
(o d[Nu,] a dNdt
dt
dt d
tabe d[] -2 d ] d dt
[1
aNO 0, 2N
2 No]
Mak adt
dt
