Chemical Reaction Engineering 'Unreacted core model' represents the reaction involving Manufacture of carbon disulphide from elements Combustion of coal particles None of these Roasting of sulphide ores Manufacture of carbon disulphide from elements Combustion of coal particles None of these Roasting of sulphide ores ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Recycling back of outlet stream to the reactor from an ideal CSTR carrying out a first order liquid phase reaction will result in __________ in conversion. No change Either A or B, depends on the type of reaction Decrease Increase No change Either A or B, depends on the type of reaction Decrease Increase ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A typical example of an exothermic reversible reaction conducted at high pressure in industry is Reformation of methane Dehydration of ethanol Polymerisation of ethylene Methanol synthesis Reformation of methane Dehydration of ethanol Polymerisation of ethylene Methanol synthesis ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Threshold energy in a reaction is equal to the Activation energy Neither A nor B Sum of A & B Normal energy of reactants Activation energy Neither A nor B Sum of A & B Normal energy of reactants 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 0.5 Data insufficient to calculate 0.875 0.425 0.5 Data insufficient to calculate 0.875 0.425 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The energy of activation of a chemical reaction Varies as fifth power of the temperature Is the minimum energy which the molecules must have before the reaction can take place Is same as heat of reaction at constant pressure Both B and C Varies as fifth power of the temperature Is the minimum energy which the molecules must have before the reaction can take place Is same as heat of reaction at constant pressure Both B and C ANSWER DOWNLOAD EXAMIANS APP
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