Chemical Reaction Engineering The rate of forward reaction, at chemical equilibrium is____the rate of backward reaction. Equal to Less than More than Either B or C Equal to Less than More than Either B or C ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A batch adiabatic reactor at an initial temperature of 373°K is being used for the reaction, A → B. Assume the heat of reaction is - 1kJ/mole at 373°K and heat capacity of both A and B to be constant and equal to 50J/mole.K. The temperature rise after a conversion of 0.5 will be 100°C 20°C 10°C 5°C 100°C 20°C 10°C 5°C 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. Film diffusion Diffusion through ash layer Chemical reaction Either A, B or C Film diffusion Diffusion through ash layer Chemical reaction Either A, B or C ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If n = overall order of a chemical reaction. a = initial concentration of reactant. t = time required to complete a definite fraction of the reaction. Then pick out the correct relationship. T ∝ 1/an + 1 T ∝ 1/an T ∝ 1/an - 1 T ∝ an T ∝ 1/an + 1 T ∝ 1/an T ∝ 1/an - 1 T ∝ an ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A batch reactor is Most suitable for very large production rate Suitable for gas-phase reactions on commercial scale Suitable for liquid phase reactions involving small production rate Least expensive to operate for a given rate Most suitable for very large production rate Suitable for gas-phase reactions on commercial scale Suitable for liquid phase reactions involving small production rate Least expensive to operate for a given rate ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A space velocity of 5 hr⁻¹ means that Five reactor volumes of feed (at specified conditions) are being fed into the reactor per hour Cent per cent conversion can be achieved in at least 5 hours A fixed conversion of a given batch of feed takes 5 hours After every 5 hours, reactor is being filled with the feed Five reactor volumes of feed (at specified conditions) are being fed into the reactor per hour Cent per cent conversion can be achieved in at least 5 hours A fixed conversion of a given batch of feed takes 5 hours After every 5 hours, reactor is being filled with the feed ANSWER DOWNLOAD EXAMIANS APP
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