Chemical Reaction Engineering A chemical reaction occurs when the energy of the reacting molecules is __________ the activation energy of the reaction. Equal to More than Equal to or more than Less than Equal to More than Equal to or more than Less than ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In which of the following gaseous phase reactions, the equilibrium of the reaction remains unaffacted by pressure changes ? 2O? ? 3O? 2NO? ? N?O? N? + O? ? 2NO 2SO? + O? ? 2SO? 2O? ? 3O? 2NO? ? N?O? N? + O? ? 2NO 2SO? + O? ? 2SO? ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If Thiele modulus is __________ , then the pore diffusion resistance in a catalyst may be considered as negligible. > 0.5 ∞ < 0.5 0 > 0.5 ∞ < 0.5 0 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A catalyst is said to be a negative catalyst, ifit Reduces the value of equilibrium constant Retards the rate of reaction All of these Does not initiate the reaction Reduces the value of equilibrium constant Retards the rate of reaction All of these Does not initiate the reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A reaction which is catalysed by an acid is also catalysed by any substance, which has a tendency to None of these Lose an electron Gain a proton Lose a proton None of these Lose an electron Gain a proton Lose a proton ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For the non-catalytic reaction of particles with surrounding fluid, the time needed to achieve the same fractional conversion for particles of different but unchanging sizes is proportional to the square of particle diameter, when the __________ is the controlling resistance. Diffusion through ash layer Chemical reaction Film diffusion Either A, B or C Diffusion through ash layer Chemical reaction Film diffusion Either A, B or C ANSWER DOWNLOAD EXAMIANS APP
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