Question $1$

The elementary liquid phase reaction $2AB+C(-r{A}^{-}k{C}_A^2)$ is taken place in a CSTR reactor. The liquid level in the reactor was $2000$ liter The reaction rate conatant $k=0\mathrm{.}3$ liter $\frac{?}{mo}\frac{l}{s}.$ The feed concentration of $A$ is $0\mathrm{.}75mo\frac{l}{?}$ liter and feed flow rate of $300$ liter $\frac{?}{\text{m}\text{i}\text{n}}.$ When the concentration of $A$ in the reactor reaches $0\mathrm{.}075$molhine, of flow of $A$ is stopped, and the exit stream is locked and immediately a flow of $1500$ liter$/$min of pure water begun. How long does it take for the concenliation of in bise reactor to fall by $90\%?$ Draw the Simulink block diagram for the developed equations.

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