Chemical Reaction Engineering A catalyst in a chemical reaction __________ free energy change in the reaction. Decreases Neither A nor B Increases 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 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering When the density of the reaction mixture is constant in a chemical reaction, the ratio of the mean residence time to space time is < 1 1 > 1 < 1 1 > 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The size of plug flow reactor (PFR) for all positive reaction orders and for any given duty, is __________ that of mixed reactor. Greater than Smaller than Unpredictable from the data Equal to Greater than Smaller than Unpredictable from the data Equal to ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A chemical reaction, A → 3B, is conducted in a constant pressure vessel. Starting with pure A, the volume of the reaction mixture increases 3 times in 6 minutes. The fractional conversion is 1 0.33 0.5 Data insufficient, can't be predicted 1 0.33 0.5 Data insufficient, can't be predicted ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For the liquid phase zero order irreversible reaction A → B, the conversion of A in a CSTR is found to be 0.3 at a space velocity of 0.1min⁻¹ . What will be the conversion for a PFR with a space velocity of 0.2 min⁻¹? Assume that all the other operating conditions are the same for CSTR and PFR. 0.6 0.3 0.15 0.9 0.6 0.3 0.15 0.9 ANSWER DOWNLOAD EXAMIANS APP
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
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