Chemical Reaction Engineering For a first order chemical reaction, the rate constant None ofthese Changes on changing the concentration units Has unit of time⁻¹ Is not a function of the unit of time None ofthese Changes on changing the concentration units Has unit of time⁻¹ Is not a function of the unit of time ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The value of steric factor 'P' in the equation k = PZeE/RT usually ranges from L.l.to 10² L.0 to 10⁻⁸ 0.1 to 0.9 None of these L.l.to 10² L.0 to 10⁻⁸ 0.1 to 0.9 None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Rate of a chemical reaction is independent of the concentration of the reactants for a __________ reaction. None of these Zero order Third order Consecutive None of these Zero order Third order Consecutive ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For the non-catalytic reaction of particles with surrounding fluid, the time needed to achieve the same fractional conversion for particles of different but unchanging sizes is proportional to the square of particle diameter, when the __________ is the controlling resistance. Film diffusion Diffusion through ash layer Either A, B or C Chemical reaction Film diffusion Diffusion through ash layer Either A, B or C Chemical reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering __________ catalytic reaction is involved in the thermal cracking of gas oil. Homogeneous Homogeneous non Heterogeneous Heterogeneous non Homogeneous Homogeneous non Heterogeneous Heterogeneous non ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate constant of a chemical reaction increases by 100 times when the temperature is increased from 400 °K to 500 °K. Assuming transition state theory is valid, the value of E/R is 8764°K 8987°K 9210°K 8621°K 8764°K 8987°K 9210°K 8621°K ANSWER DOWNLOAD EXAMIANS APP
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