Reaction Engineering Quiz - 在线考试测评模板

Q1:WHICH OF THE FOLLOWING IS THECORRECT STATEMENT ABOUT CSTR REACTOR?

There is no input and outputflow

It is not a steady state

There is accumulation

It is a steady state

Q2:DETERMINE IF THIS STATEMENT ISTRUE OR FALSE:"The Rate of Reaction is definedas the change in concentration of a substance divided by the time intervalduring which this change is observed”.

TRUE

FALSE

Q3:Ethanol undergoes partial oxidation to make synthesis gas: [图片]The reaction is conducted in an isothermal, isobaric PFR. The feed is 10 mol/min each of the reactant and an inert gas, I. The temperature is 300°C and 2 atm.

a) Demonstrate which chemical is the limitingreactant. Rewrite the stoichiometric equation in terms of the limiting reactantis necessary.

a) Find the initial volumetric feed rate tothe reactor. (R = 0.0821 Latm/mol.K)

Q4:Which ofthe following is the design formula for batch reactor?

[图片]

Q5:The gasphase reaction Aà B is carriedout in a CSTR and the entering molar flow rate of A is 0.8 mol/s. Using data in Table 2-1, calculate the volumerequired to achieve 90% conversion.[图片]

7.089

14.4

14.33

10.49

Q6:Whichof the following is the relative rate of reaction equation?[图片]

[图片]

Q7:What are the units of k for the rate law: Rate = k[A][B]2,when the concentration unit is mol/L?

s-1

s

L mol-1 s-1

L2 mol-2 s-1

Q8:Assuming A is constant over this range, work out how much faster a reaction with an activation energy of 40 kJ mol-1 would be at 40°C than at 20°C, assuming the concentrations of everything are the same. R = 8.31 J K-1 mol-1 .

选项1

Q9:Taking A as your basisof calculation, construct a completestoichiometric table for the reaction that taking place in batch reactor.3A + 3B - 3C +3D

选项1