Chemical Reaction Engineering A catalyst in a chemical reaction __________ free energy change in the reaction. Either A or B; depends on the type of catalyst Decreases Neither A nor B Increases Either A or B; depends on the type of catalyst Decreases Neither A nor B Increases ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A multiple reaction may be classified as a __________ reaction. Consecutive or side Mixed Parallel or side All of these Consecutive or side Mixed Parallel or side All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following resistances is not involved in a gas phase catalytic (gas- solid) reaction? Surface phenomenon resistance Ash resistance Gas film and pore surface diffusion resistances for reactants Gas film and pore surface diffusion resistances for products Surface phenomenon resistance Ash resistance Gas film and pore surface diffusion resistances for reactants Gas film and pore surface diffusion resistances for products ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering According to the 'law of mass action', the rate of reaction is directly proportional to the Nature of the reactants Volume of the reaction vessel Equilibrium constant Molar concentration of the reactants Nature of the reactants Volume of the reaction vessel Equilibrium constant Molar concentration of the reactants ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In a first order reaction, the time required to reduce the concentration of reactant from 1 mole/litre to 0.5 mole/litre will be __________ that required to reduce it from 10 moles/litre to 5 moles/litre in the same volume. Less than Data insufficient; can't be predicted Same as More than Less than Data insufficient; can't be predicted Same as More than ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering To maximise the formation of R in the simultaneous reactionA + B → R , rR = 2CA0.5.CB2 A + B → S , rS = 1.5 CA . CB We should have Low CA, high CB Low CA, low CB High CA, low CB High CA, high CB Low CA, high CB Low CA, low CB High CA, low CB High CA, high CB ANSWER DOWNLOAD EXAMIANS APP
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