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Q#1 GATE CH 2019 NAT +2 marks -0 marks

The elementary irreversible gas-phase reaction A → B + C is carried out adiabatically in an ideal CSTR (Continuous-Stirred Tank Reactor) operating at 10 atm. Pure A enters the CSTR at a flow rate of 10 mol/s and a temperature of 450 K. Assume A, B and C to be ideal gases.

The specific heat capacity at constant pressure (CPi) and heat of formation , of component i (i = A, B, C), are:

The reaction rate constant k (per second) where E = 31.4 kJ/mol and universal gas constant R=0.082 L (mol K). The shaft work may be neglected in the analysis, and specific heat capacities do not vary with temperature. All heats of formation are referenced to 273 K. The reactor volume (in Liters) for 75% conversion is (rounded off to the nearest integer).

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