Chemical Reaction Engineering The catalytic activity of enzymes is due to their capacity to lower the __________ energy. None of these Kinetic Activation Potential None of these Kinetic Activation Potential ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The gas phase reaction 2A ⇋ B is carried out in an isothermal plug flow reactor. The feed consists of 80 mole % A and 20 mole % inerts. If the conversion of A at the reactor exit is 50%, then CA/CA0 at the outlet of the reactor is 43898 43833 43959 43864 43898 43833 43959 43864 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The reaction in which the rate equation corresponds to a stoichiometric equation, is called a/an __________ reaction. Autokinetic Elementary Parallel Non-elementary Autokinetic Elementary Parallel Non-elementary ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For the reaction, A + B → 2B + C, rA = 2rB rA = rB rA = -rB rA = rB/2 rA = 2rB rA = rB rA = -rB rA = rB/2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate expression for a heterogenous catalytic reaction is given by, - rA = K.KA PA(1 + KA.PA + Kr.PR), where K is surface reaction rate constant and KA and KR are absorption equilibrium constants of A and R respectively. If KR PR >> (1 + KA PA), the apparent activation energy EA is equal to (given E is the activation energy for the reaction and ΔHR and ΔHA are the activation energies of adsorption of R and A) E E + ΔHA E + ΔHA - ΔHR ΔHA + ΔHR E E + ΔHA E + ΔHA - ΔHR ΔHA + ΔHR ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The concentration of A in a first order reaction, A → B, decreases Exponentially with time Linearly with time Logarithmically with time Very abruptly towards the end of the reaction Exponentially with time Linearly with time Logarithmically with time Very abruptly towards the end of the reaction ANSWER DOWNLOAD EXAMIANS APP
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