Chemical Reaction Engineering For a first order chemical reaction in a porous catalyst, the Thiele modulus is 10. The effectiveness factor is approximately equal to 0.5 1 0.1 0.5 1 0.1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Overall rate of reaction in a heterogenous catalytic reaction depends upon the mass and energy transfer from the fluid to solid surface and its rate of reaction is usually __________ the concentration of catalyst, if it does not entail a chain mechanism. Independent of Proportional to the square of Inversely proportional to Proportional to Independent of Proportional to the square of Inversely proportional to Proportional to ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For any reaction, we may write conversion as a function of Concentration Time Temperature All of these Concentration Time Temperature All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The temperature dependence of reaction rate constant (K) by Arhenius law is given by K α √T . e-E/RT K α T . e-E/RT K α e-E/RT K α eE/RT K α √T . e-E/RT K α T . e-E/RT K α e-E/RT K α eE/RT ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A batch reactor is Suitable for liquid phase reactions involving small production rate Least expensive to operate for a given rate Suitable for gas-phase reactions on commercial scale Most suitable for very large production rate Suitable for liquid phase reactions involving small production rate Least expensive to operate for a given rate Suitable for gas-phase reactions on commercial scale Most suitable for very large production rate ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For a first order isothermal chemical reaction in a porous catalyst, the effectiveness factor is 0.3. The effectiveness factor will increase if the Catalyst size is reduced or the catalyst diffusivity is reduced Catalyst size is reduced or the catalyst diffusivity is increased Catalyst size is increased or the catalyst diffusivity is increased Catalyst size is increased or the catalyst diffusivity is reduced Catalyst size is reduced or the catalyst diffusivity is reduced Catalyst size is reduced or the catalyst diffusivity is increased Catalyst size is increased or the catalyst diffusivity is increased Catalyst size is increased or the catalyst diffusivity is reduced ANSWER DOWNLOAD EXAMIANS APP
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