Chemical Reaction Engineering An isothermal aqueous phase reversible reaction, P ⇋ R, is to be carried out in a mixed flow reactor. The reaction rate in k.mole/m³ .h is given by, r = 0.5CP - 0.125CR. A stream containing only P enters the 1.60 1.33 2.67 0.80 1.60 1.33 2.67 0.80 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering According to Arhenious equation of temperature dependency of rate constant for an elementary reaction K ∝ e-E/RT None of these K ∝ T e-E/RT K ∝ √T K ∝ e-E/RT None of these K ∝ T e-E/RT K ∝ √T ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering With increase in temperature, the equilibrium __________ rises in case of endothermic reaction. Conversion Constant Neither A nor B Both A & B Conversion Constant Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Ionic reactions occur in Solid state only Liquid state only Solutions Any state Solid state only Liquid state only Solutions Any state 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) ΔHA + ΔHR E + ΔHA E E + ΔHA - ΔHR ΔHA + ΔHR E + ΔHA E E + ΔHA - ΔHR 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 T ∝ an T ∝ 1/an + 1 T ∝ 1/an - 1 T ∝ 1/an T ∝ an T ∝ 1/an + 1 T ∝ 1/an - 1 ANSWER DOWNLOAD EXAMIANS APP
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