Chemical Reaction Engineering If the time required to change the concentration of reactant to half its original value is independent of the initial concentration, the order of reaction is Zero One Two Three Zero One Two Three ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Promoter is added to the catalyst to improve its Porosity Sensitivity Surface area None of these Porosity Sensitivity Surface area None of these 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
Chemical Reaction Engineering Rate of a chemical reaction is not influenced by the Number of molecules of reactants taking part in a reaction Catalyst Reactants concentration Temperature Number of molecules of reactants taking part in a reaction Catalyst Reactants concentration Temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The conversion of a reactant, undergoing a first order reaction, at a time equal to three times the half life of the reaction is Data insufficient to calculate 0.425 0.5 0.875 Data insufficient to calculate 0.425 0.5 0.875 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Overall rate of reaction in a heterogenous catalytic reaction depends upon the mass and energy transfer from the fluid to solid surface and its rate of reaction is usually __________ the concentration of catalyst, if it does not entail a chain mechanism. Independent of Proportional to Proportional to the square of Inversely proportional to Independent of Proportional to Proportional to the square of Inversely proportional to ANSWER DOWNLOAD EXAMIANS APP
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