Chemical Reaction Engineering The minimum energy required to allow a chemical reaction to proceed is termed as the 'threshold energy '. Chemical reaction with low activation energy are Always irreversible Insensitive to temperature changes Mostly irreversible Highly temperature sensitive Always irreversible Insensitive to temperature changes Mostly irreversible Highly temperature sensitive ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Shift conversion reaction Is non-catalytic Converts N₂ and H₂ into NH₃ Converts CO to CO₂ with steam Is highly exothermic Is non-catalytic Converts N₂ and H₂ into NH₃ Converts CO to CO₂ with steam Is highly exothermic ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The catalytic converter for conversion of SO₂ to SO₃ by contact process should have a feed with SO₂ content between 2-5% 7-10% 12-15% 20-25% 2-5% 7-10% 12-15% 20-25% ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A batch reactor is Suitable for gas-phase reactions on commercial scale Least expensive to operate for a given rate Suitable for liquid phase reactions involving small production rate Most suitable for very large production rate Suitable for gas-phase reactions on commercial scale Least expensive to operate for a given rate Suitable for liquid phase reactions involving small production rate Most suitable for very large production rate ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A stirred tank reactor compared to tubular-flow reactor provides More uniform operating conditions All of these Permits operation at the optimum temperature for a long reaction time Higher overall selectivity for a first order consecutive reaction More uniform operating conditions All of these Permits operation at the optimum temperature for a long reaction time Higher overall selectivity for a first order consecutive reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If in the gaseous phase reaction, N₂O₄ ⇋ 2NO₂, x is the part of N₂O₄ which dissociates, then the number of molecules at equilibrium will be (1 - x)² (1 + x)² (1 + x) (1 - x) (1 - x)² (1 + x)² (1 + x) (1 - x) ANSWER DOWNLOAD EXAMIANS APP
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