Chemical Reaction Engineering Calcination reaction of limestone (CaCO₃ → CaO + CO₂) goes to completion in the rotary kiln, because CaO is not dissociated Of high calcination temperature CO₂ escapes continuously CaO is more stable than CaCO₃ CaO is not dissociated Of high calcination temperature CO₂ escapes continuously CaO is more stable than CaCO₃ ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If the time required for half change is inversely proportional to the square of initial concentration and the velocity depends on the units in which the concentration term is expressed, then the order of reaction is 1 2 3 0 1 2 3 0 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Variables affecting the rate of homogeneous reactions are Pressure, temperature and composition Pressure and temperature only Temperature and composition only Pressure and composition only Pressure, temperature and composition Pressure and temperature only Temperature and composition only Pressure and composition only ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If the catalyst pore size is small in comparison with the mean free path, collisions with the pore wall controls the process'. The diffusivity under this condition is called 'Knudsen diffusivity', which is affected by the Temperature Both A & B Pressure Neither A nor B Temperature Both A & B Pressure Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Thermodynamic equilibrium constant in a system is affected by All of these Inerts Temperature Pressure All of these Inerts Temperature Pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The dimensions of rate constant for reaction 3A → B are (l/gm mole)/min. Therefore the reaction order is 2 1 3 2 1 3 ANSWER DOWNLOAD EXAMIANS APP