The chemical reaction sequence A →B A+B →P takes place isothermally in a continuous, stirred-tank reactor. Batch kinetic studies have indicated that the first reaction is second order with respect to C while the reaction rate for the second reaction is first order with respect to both C₁ and C₁: r₁=k₂C² r₂ = k₂C₂C₂ mol L.hr 4,2[=];™ Assume that the reactor has a constant volume V. There is a constant volumetric feed rate F₁, and that the feed contains traces of B but no P. Derive an unsteady-state model that will yield the concentrations of A, B, and P for variations in the concentration of B in the feed. Do not attempt to solve the resulting mathematical model.

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Consider a gas-phase reaction, 2A → B + C + 3D with ra = kC Initially 50% A and 50% inert are present. If the pressure and temperature remain constant, determine the final volume in terms of the initial and fractional conversion.

You are in a research & development team responsible for generating preliminary data for the following gas-phase reaction: CO₂(g)+ 4H₂ (g) → 2 H₂O (g) + CH.(g) The reaction occurs over a catalyst at a reactor pressure of 1 atm and 500 C and goes essentially to completion. Use the following heat capacities data for your calculation: CO₂ (g): H₂ (g): H₂O (g): CH₁ (g): Cp=0.0451 kJ/mol C Cp = 0.0291 kJ/mol C Cp = 0.0358 kJ/mol C Cp=0.0487 kJ/mol C a) Calculate the standard heat of reaction (kJ/mol). (-165.01 kJ/mol) b) If the gases enter and leave the reactor at 1 atm and 500 C, what is the heat of reaction at 500 C (i.e. Ê, at 500 C) in kJ/mol. Assume the reactants are fed in stoichiometric amounts. (-184.63 kJ/mol)

Analytical solution of reactor design equation: Consider the irreversible reaction, which occurs in the gas phase, under isothermal and isobaric conditions: A  +  B →  2C  + D The applicable rate law (non-elementary) is –rA= kCACB.  Assume A is the limiting reactant. Write out the full rate law expressionas a function of conversion XA, given FA0= 1 moles/min and FB0= 3 moles/min (inlet molar flow of products is zero). Show this rate expression two times, one with parameters only (no numbers substituted in) and the second with all known or calculated values inserted. What is the PFR reactor volumerequired to achieve a conversion of XA= 85% if the influent volumetric flow rate (v0) is 5 L/minute and the reaction rate constant k = 2.2 (L/moles) minutes-1?   Develop your solution by performing the analytical integration of the differential equation, using integration tables in Appendix A of the textbook.  Credit will not be given for part (b) of this problem unless the solution is shown…

This liquid-phase reaction takes place in a 10 L isothermal batch reactor: A +B → 20 -21215 cal/mol] rA = -kCA k = (1.7 x 101% h-1)exp RT The reactor is charged with 40 mol of A and 800 mol of B, both at 90 °C. (a) What percentage of A will react if the holding time for the reactor is 20 min? (b) What is the production rate of C in mol/day if the charging, discharging and cleaning of the reactor takes 20 min per cycle?

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An exothermic reaction is carried out in a coffee-cup calorimeter. Which of the following statements is/are NOT true for the process? Support your answer. a) Heat is absorbed by the water b) The enthalpy of the products is higher than the enthalpy of the reactants c) The temperature of the water increases d) Qrxn +Qwater = 0 e) Qrxn > 0 f) Qwater = Qrxn

when acetone is heated in the gas phase, decomposition into ketene and methane takes place according to: (CH3)2CO > CH2-CO + CH4 the reaction is irreversible and first order. The rate constant is 1.047 s-1 vid 725 C. Calculate the turnover of acetone obtained in an isothermal and isobaric tube reactor under the following operating conditions. The reactor is made up of 20 parallel connected tubes, each with a length of 10 meters and an inner diameter of 10 cm. The working pressure is 4 atm and the temperature is 725 C. The acetone supply amounts to 120 mol/s.

Instructions: Copy and solve as neatly as possible and show complete solution. Round everything to four decimal places and box all final answers. Solution should be handwritten. Ammonia gas enters the than is required for the complete conversion of the ammonia to nitric oxide and water vapor. If the gases enter the reactor at 75°C, if the conversion is 80%, if no side reaction occurs, and if the reactor operates adiabatically, what is the temperature of the gases leaving the reactor? Assume ideal gases. ctor of a nitric acid plant mixed with 30% more dry air * Reaction: