A. Gas film diffusion
B. Ash diffusion
C. Chemical reaction
D. None of these
A. At the inlet
B. At the outlet
C. In the reactor
D. Averaged over the inlet and outlet
A. Decreases with increase in temperature
B. Increases with increase of pressure of reactants for all reactions
C. Decreases with increase of reactant concentration
D. None of these
2A + B → A2B, ( – rA) = k.CA.CB
A. A + B ⇌ AB; AB + A → A2B
B. A + B → AB; AB + A → A2B
C. A + A → AA; AA + B → A2B
D. A + A ⇌ AA; AA + B → A2B
A. High pressure batch reactor
B. Atmospheric pressure tank reactor
C. High pressure tubular reactor
D. Atmospheric pressure CSTR
A. dXA/dt = k1 (1 – XA)2 (1 + 2XA)
B. dXA/dt = k1 (1 – XA) (1 + 0.5XA)
C. dXA/dt = k1 (1 – XA)
D. dXA/dt = k1 (1 – XA)/(1 + XA)
A. The intrinsic activation energy E
B. (E + ED) where ED is activation due to diffusion
C. (E + ED)/2
D. ED/2