Chemical Reaction Engineering Reaction rate of a first order reaction, which is half completed in 23 minutes will be 0.05 min⁻¹ 0.03 hr⁻¹ 0.03 sec⁻¹ 0.03 min⁻¹ 0.05 min⁻¹ 0.03 hr⁻¹ 0.03 sec⁻¹ 0.03 min⁻¹ ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering According to Arhenious equation of temperature dependency of rate constant for an elementary reaction K ∝ √T K ∝ e-E/RT K ∝ T e-E/RT None of these K ∝ √T K ∝ e-E/RT K ∝ T e-E/RT None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The temperature dependence of reaction rate constant (K) by Arhenius law is given by K α eE/RT K α e-E/RT K α √T . e-E/RT K α T . e-E/RT K α eE/RT K α e-E/RT K α √T . e-E/RT K α T . e-E/RT ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering What is the dispersion number for a CSTR? < 1 ∞ 1 0 < 1 ∞ 1 0 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 E + ΔHA - ΔHR E + ΔHA ΔHA + ΔHR E E + ΔHA - ΔHR E + ΔHA ΔHA + ΔHR ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If a solid-gas non-catalytic reaction occurs at very high temperature, the rate controlling step is the __________ diffusion. None of these Ash layer Film Pore None of these Ash layer Film Pore ANSWER DOWNLOAD EXAMIANS APP
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