$\mathrm{A}(\mathrm{g}) \rightarrow 2 \mathrm{~B}(\mathrm{~g})+\mathrm{C}(\mathrm{g})$
$S.\ No$ સમય/s કુલ દબાણ/(atm)
$1.$ $0$ $0.1$
$2.$ $115$ $0.28$
પ્રક્રિયાનો વેગ અચળાંક _______________$\times 10^{-2} \mathrm{~s}^{-1}$ (નજીકનાં પૂનાંકમાં)
$\mathrm{t}=0 \quad 0.1$
$\mathrm{t}=115 \mathrm{sec} . \quad 0.1-\mathrm{x} \quad 2 \mathrm{x} \quad \mathrm{x}$
$0.1+2 \mathrm{x}=0.28$
$2 \mathrm{x}=0.18$
$x=0.09$
$\mathrm{~K}=\frac{1}{115} \ln \frac{0.1}{0.1-0.09}$
$=0.0200 \mathrm{sec}^{-1}$
$=2 \times 10^{-2} \sec ^{-1}$