Chemical Reaction Engineering Which one is the rate controlling step in a solid-gas non-catalytic reaction occurring at very high temperature? Pore diffusion Ash layer diffusion Film diffusion Chemical reaction Pore diffusion Ash layer diffusion Film diffusion Chemical reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The fractional volume change of the system for the isothermal gas phase reaction, A 3B , between no conversion and complete conversion is 1 3 2 0.5 1 3 2 0.5 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering During manufacture of H₂SO₄, the oxidation of SO₂ to SO₃ by oxygen is an en- dothermic reaction. The yield of SO₃ will be maximised, if the Pressure is reduced Temperature is reduced and pressure is increased Temperature is increased Temperature is increased and pressure is reduced Pressure is reduced Temperature is reduced and pressure is increased Temperature is increased Temperature is increased and pressure is reduced ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering An isothermal aqueous phase reversible reaction, P ⇋ R, is to be carried out in a mixed flow reactor. The reaction rate in k.mole/m³ .h is given by, r = 0.5CP - 0.125CR. A stream containing only P enters the 1.33 1.60 0.80 2.67 1.33 1.60 0.80 2.67 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Overall rate of reaction in a heterogenous catalytic reaction depends upon the mass and energy transfer from the fluid to solid surface and its rate of reaction is usually __________ the concentration of catalyst, if it does not entail a chain mechanism. Proportional to Independent of Proportional to the square of Inversely proportional to Proportional to Independent of Proportional to the square of Inversely proportional to ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A chemical reaction occurs, when the energy of the reacting molecules is __________ the activation energy of reaction. Equal to or more than More than Equal to Less than Equal to or more than More than Equal to Less than ANSWER DOWNLOAD EXAMIANS APP
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