Chemical Reaction Engineering __________ is the controlling step in a highly temperature sensitive fluid-solid non-catalytic reaction. Ash diffusion Gas film diffusion Chemical reaction None of these Ash diffusion Gas film diffusion Chemical reaction None of these 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 0.875 0.5 Data insufficient to calculate 0.425 0.875 0.5 Data insufficient to calculate 0.425 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In autocatalytic reactions, One of the reactants acts as a catalyst Catalysts have very high selectivity No catalyst is used One of the products acts as a catalyst One of the reactants acts as a catalyst Catalysts have very high selectivity No catalyst is used One of the products acts as a catalyst ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The fractional volume change between no conversion and complete conversion, for the isothermal gas phase reaction, 2A → R, is 1.5 1 0.5 -0.5 1.5 1 0.5 -0.5 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Catalyst carriers Provide large surface area with a small amount of active material Increase the activity of a catalyst Inhibit catalyst poisoning Have very high selectivity Provide large surface area with a small amount of active material Increase the activity of a catalyst Inhibit catalyst poisoning Have very high selectivity ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The following gas phase reactions are carried out isothermally in a CSTR.A → 2R ; r₁ = K₁pA ;K₁ = 20mole/(sec.m³ bar)A → 3S ; r₂ = K₂ pA ;K₂ = 40mole/ (sec.m³ .bar)What is the maximum possible value of FR(mole/sec.) ? 43832 2 43833 43864 43832 2 43833 43864 ANSWER DOWNLOAD EXAMIANS APP
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