Propylene oxidation to acetone is believed to proceed via the following elementary

steps.

O$2+2$ S $2$ O$$S with rate constants k$1,$ k$-1$

C$3$H$6+$ O$$S $$ C$3$H$6$O$$S with rate constants k$2,$ k$-2$

C$3$H$6$O$$S $->$ C$3$H$6$O $+$ S with rate constant k$3$

a$.$ Find the overall rate expression if step $1$ is QE$.$

b$.$ Find the overall rate expression if step $1$ and step $2$ are QE$.$

c$.$ Write the apparent rate constant $($kapp$)$ and the apparent activation energy $($Eapp$)$

for the mechanism in part b if O$$S is the MASI$\mathrm{.}3$: Propylene oxidation

Propylene oxidation to acetone is believed to proceed via the followingelementary

steps.

$O_2+2$Sharr$2O*S$ with rate constants $k_1,k_{-1}$

$C_3{H}_6+O*Sharr{C}_3{H}_{6}O*S$ with rate constants $k_2,k_{-2}$

$C_3{H}_{6}O*S{C}_3{H}_{6}O+S$ with rate constant $k_3$

a$.$ Find the overall rate expression if step $1$ is QE$.$

b$.,$ Find the overall rate expression if step $1$ and step $2$ are QE$.$

c$.$ Write the apparent rate constant $(k_{\text{a}\text{p}\text{p}})$ and the apparent activation energy $(E_{\text{a}\text{p}\text{p}})$

for the mechanism in part $b$ if $O*S$ is the MASI.