Pure oxygen is being absorbed by xylene in a catalyzed reaction in the experimental apparatus sketched in Figure 1. Under constant conditions of temperature and liquid composition the following data were obtained:
Figure 1
Stirrer Speed (rpm) | Rate of Uptake of O2 (mL/h) fo r System Pressure (absolute) | |||
1.2 atrn | 1.6 atm | 2.0 atm | 3.0 atm
| |
400 | 15 | 31 | 75 | 152 |
800 | 20 | 59 | 102 | 205 |
1200 | 21 | 62 | 105 | 208 |
1600 | 21 | 61 | 106 | 207 |
No gaseous products were formed by the chemical reaction. What would you conclude about the relative importance of liquid-phase diffusion and about the order of the kinetics of this reaction? (California Professional Engineers Exam)
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