Chemical Reaction Engineering The importance of diffusion in a catalyst are increased by An active surface of the catalyst Large catalyst particle size All of these Small pore diameter An active surface of the catalyst Large catalyst particle size All of these Small pore diameter ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Arrhenious equation represents graphically the variation between the __________ and temperature. Frequency factor Rate constant Rate of reaction Activation energy Frequency factor Rate constant Rate of reaction Activation energy ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For the non catalytic reaction of particles with surrounding fluid, the same needed to achive the same fractional conversion for particles of different unchanging sizes is proportional to the particle diameter, when the __________ is the controlling resistance. Chemical reaction Film diffusion Either A, B or C Diffusion through ash layer Chemical reaction Film diffusion Either A, B or C Diffusion through ash layer ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering What is the order of a chemical reaction in which doubling the initial concentration of the reactants doubles the half life time of the reaction? 2 1 3 Zero 2 1 3 Zero ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If the time required for half change is inversely proportional to the square of initial concentration and the velocity depends on the units in which the concentration term is expressed, then the order of reaction is 3 1 2 0 3 1 2 0 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A second order reaction of the form A + B → C is called a pseudo-first order reaction, when CA0 > CB0 CB0 ≥ CB0 CA0 = CB0 CB0 > CA0 CA0 > CB0 CB0 ≥ CB0 CA0 = CB0 CB0 > CA0 ANSWER DOWNLOAD EXAMIANS APP