Chemical Reaction Engineering Which of the following fixes the volume of a batch reactor for a particular conversion and production rate? Rate constant None of these 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 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 In which of the following gaseous phase reversible reactions, the product yield can not be increased by the application of high pressure? PCl3 + Cl₂ ⇋ PCl5 N + 3H₂ ⇋ 2NH₃ 2SO₂ + O₂ ⇋ 2SO₃ N₂ + O₂ ⇋ 2NO PCl3 + Cl₂ ⇋ PCl5 N + 3H₂ ⇋ 2NH₃ 2SO₂ + O₂ ⇋ 2SO₃ N₂ + O₂ ⇋ 2NO ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For an ideal plug flow reactor, the value of Peclet number is ∞ 10 0 1 ∞ 10 0 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate expression for a heterogenous catalytic reaction is given by, - rA = K.KA PA(1 + KA.PA + Kr.PR), where K is surface reaction rate constant and KA and KR are absorption equilibrium constants of A and R respectively. If KR PR >> (1 + KA PA), the apparent activation energy EA is equal to (given E is the activation energy for the reaction and ΔHR and ΔHA are the activation energies of adsorption of R and A) E + ΔHA - ΔHR E ΔHA + ΔHR E + ΔHA E + ΔHA - ΔHR E ΔHA + ΔHR E + ΔHA ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering At a given temperature, K₁, K₂ and K3 are equilibrium constants for the following reactions 1, 2, 3 respectively. CH₄(g) + H₂O(g) ⇋ CO(g) + 3H₂(g), CO(g) + H₂O(g) ⇋ CO₂(g) + H₂(g) CH₄(g) + 2H₂O(g) ⇋ CO₂(g) + 4H₂(g) Then K₁, K₂ and K3 are related as: K3(K₁+K₂)/2 K3 = (K₁.K₂)0.5 K3 = K₁.K₂ K3 = (K₁.K₂)2 K3(K₁+K₂)/2 K3 = (K₁.K₂)0.5 K3 = K₁.K₂ K3 = (K₁.K₂)2 ANSWER DOWNLOAD EXAMIANS APP
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