Chemical Reaction Engineering Which one is the rate controlling step in a solid-gas non-catalytic reaction occurring at very high temperature? Ash layer diffusion Pore diffusion Chemical reaction Film diffusion Ash layer diffusion Pore diffusion Chemical reaction Film diffusion ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For a homogeneous reaction of nth order, the dimension of the rate constant is given by None of these (concentration)1 - n/(time) L/(time)n (concentration)n - 1/(time) None of these (concentration)1 - n/(time) L/(time)n (concentration)n - 1/(time) 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. Diffusion through ash layer Chemical reaction Either A, B or C Film diffusion Diffusion through ash layer Chemical reaction Either A, B or C Film diffusion ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering B.E.T. method of finding out surface area of a catalyst, uses the extension of __________ isotherm. Freundlich None of these Tempkin Langmuir Freundlich None of these Tempkin Langmuir ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If in the gaseous phase reaction, N₂O₄ ⇋ 2NO₂, x is the part of N₂O₄ which dissociates, then the number of molecules at equilibrium will be (1 - x)² (1 + x)² (1 - x) (1 + x) (1 - x)² (1 + x)² (1 - x) (1 + x) ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The energy of activation of a chemical reaction Both B and C Is same as heat of reaction at constant pressure Varies as fifth power of the temperature Is the minimum energy which the molecules must have before the reaction can take place Both B and C Is same as heat of reaction at constant pressure Varies as fifth power of the temperature Is the minimum energy which the molecules must have before the reaction can take place ANSWER DOWNLOAD EXAMIANS APP
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