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Q#1
GATE CH 2017
NAT
+2 marks
-0 marks
The following gas-phase reaction is carried out in a constant-volume isothermal batch reactor
The reactants A and B as well as the product S are non-condensable gases. At the operating temperature, the saturation pressure of the product R is 40 kPa.
Initially, the batch reactor contains equimolar amounts of A and B (and no products) at a total pressure of 100 kPa . The initial concentrations of the reactants are 
. The rate of reaction is given by 
.s.
The time at which R just starts condensing, rounded to 1 decimal place, is 
s.
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| Topic | Questions | Attempted | Correct | |
|---|---|---|---|---|
| Heat Transfer | 26 | 0 | 0 | |
| Chemical Technology | 17 | 0 | 0 | |
| Mechanical Operations | 12 | 0 | 0 | |
| Mass Transfer | 42 | 0 | 0 | |
| Instrumentation and Process Control | 26 | 0 | 0 | |
| Fluid Mechanics | 24 | 0 | 0 | |
| Engineering Mathematics | 41 | 0 | 0 | |
| General Aptitude | 60 | 0 | 0 | |
| Chemical Reaction Engineering | 26 | 0 | 0 | |
| Process Calculation | 9 | 0 | 0 | |
| Plant Design Economics | 10 | 0 | 0 | |
| Thermodynamics | 24 | 0 | 0 |
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