Chemical Reaction Engineering Rate determining step in a reaction consisting of a number of steps in series is the __________ step. Fastest Slowest Intermediate Data insufficient; can't be predicted Fastest Slowest Intermediate Data insufficient; can't be predicted ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A space velocity of 5 hr⁻¹ means that After every 5 hours, reactor is being filled with the feed Five reactor volumes of feed (at specified conditions) are being fed into the reactor per hour A fixed conversion of a given batch of feed takes 5 hours Cent per cent conversion can be achieved in at least 5 hours After every 5 hours, reactor is being filled with the feed Five reactor volumes of feed (at specified conditions) are being fed into the reactor per hour A fixed conversion of a given batch of feed takes 5 hours Cent per cent conversion can be achieved in at least 5 hours ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A liquid decomposes by irreversible first order kinetics and the half life period of this reaction is 8 minutes. The time required for 75% conversion of the liquid will be __________ minutes. 4 12 16 8 4 12 16 8 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A chemical reaction occurs when the energy of the reacting molecules is __________ the activation energy of the reaction. Equal to or more than Less than More than Equal to Equal to or more than Less than More than Equal to ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A stirred tank reactor compared to tubular-flow reactor provides Higher overall selectivity for a first order consecutive reaction All of these More uniform operating conditions Permits operation at the optimum temperature for a long reaction time Higher overall selectivity for a first order consecutive reaction All of these More uniform operating conditions Permits operation at the optimum temperature for a long reaction time ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In which of the following reactions, thee-quilibrium will shift to the right, if the total pressure is increased? N₂O₄ ⇋ 2 NO₂ H₂ + Cl₂ ⇋ 2HCl N₂ + O₂ ⇋ 2NO H₂ + I₂ ⇋ 2HI N₂O₄ ⇋ 2 NO₂ H₂ + Cl₂ ⇋ 2HCl N₂ + O₂ ⇋ 2NO H₂ + I₂ ⇋ 2HI ANSWER DOWNLOAD EXAMIANS APP
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