CHAP. 9: CHEMICAL KINETICS [CONTENTS] 275
b) Type
A + B→products, (9.28)
when the partial orders equal one and the reactants have unit stoichiometric coefficients;
c) Type
aA +bB→products, (9.29)
when the partial orders equal one and the reactants have general stoichiometric coefficients.
9.2.3.1 Type.
2 A→products. (9.30)
9.2.3.2 Kinetic equation
−
dcA
dτ
=kc^2 A. (9.31)
9.2.3.3 Integrated forms of the kinetic equation
For time as a function of the reactant concentration we write
kτ=
1
cA
−
1
cA0
. (9.32)
For the concentration of substance A as a function of time we write
cA=
cA0
1 +cA0kτ
. (9.33)
9.2.3.4 Reaction half-life
τ 1 / 2 =
1
kcA0