chemical-engineering-chemical-reaction-engineering Related Question Answers

76. The effect of increasing pressure on the gaseous equilibrium of the reaction 2X+3Y 3X+2Y indicates that





77. 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





78. A batch reactor is characterised by





79. When a catalyst increases the rate of forward reaction, the value of rate constant





80. Rate determining step in a reaction consisting of a number of steps in series is the __________ step.




81. The rate of a chemical reaction is almost doubled for every 10°C rise in temperature. The rate will increase __________ times, if the temperature rises form 10 to 100°C.





82. A catalyst in a chemical reaction __________ free energy change in the reaction.





83. Signal normally used to study non-ideal flow by stimulus response technique is __________ input.





84. When all the limiting reactant is consumed in the reaction, the operational yield __________ the relative yield.





85. The half life period of a first order reaction is





86. The catalyst in a second order reversible reaction increases the rate of the forward reaction





87. Catalyst carriers





88. 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.





89. A high space velocity means that a given





90. In flow reactors, the performance equations interrelate the rate of reaction to the





91. Space velocity





92. The rate of the chemical reaction A B doubles as the concentration of A i.e.., CA is doubled. If rate of reaction is proportional to CAn, then what is the value of n for this reaction ?





93. A reaction which is catalysed by a base is catalysed by all substances which have a tendency to





94. For a homogeneous reaction of nth order, the dimension of the rate constant is given by





95. The fractional volume change between no conversion and complete conversion, for the isothermal gas phase reaction, 2A R, is





96. The reaction in which one of the products of reaction acts as a catalyst is called a/an __________ reaction.





97. A typical example of an exothermic reversible reaction conducted at high pressure in industry is





98. Study of chemical kinetics is the easiest in the case of __________ reactions.





99. In autocatalytic reactions,





100. Semibatch reactor is preferred, when a/an





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