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 __________ gas is normally employed in B.E.T.method of finding out the surface area of catalyst. N₂ H₂ He CO₂ N₂ H₂ He CO₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following fixes the volume of a batch reactor for a particular conversion and production rate? Operating conditions (e.g. pressure and temperature) Density of mixture Rate constant None of these Operating conditions (e.g. pressure and temperature) Density of mixture Rate constant None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The ratio of moles of a reactant converted into the desired product to that converted into unwanted product is called Relative yield None of these Operational yield Selectivity Relative yield None of these Operational yield Selectivity ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The reaction rate almost gets doubled for 10°C rise in temperature. This is due to the fact that the Increased temperature reduces the activation energy Value of threshold energy decreases Fraction of molecules having threshold energy increases Collision frequency increases Increased temperature reduces the activation energy Value of threshold energy decreases Fraction of molecules having threshold energy increases Collision frequency increases ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For an ideal gas mixture undergoing a reversible gaseous phase chemical reaction, the equilibrium constant Decreases with pressure Is independent of pressure Increases /decreases with pressure depending on the stoichiometric co-efficients of the reaction Increases with pressure Decreases with pressure Is independent of pressure Increases /decreases with pressure depending on the stoichiometric co-efficients of the reaction Increases with pressure ANSWER DOWNLOAD EXAMIANS APP