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- Explain what changes occur in the bioreactor in the phases marked 1, 2, and 3 in the following diagram.outline the factors that negatively affect the viability of microorganisms in aerosols.Identify the oxidizing agent in the following REDOX reaction? CI2 + NaBr --> NaCI + Br2 A) NaCI B) NaBr C) CI2 D) Br2
- Why carbon monoxide is a pollutant?What are the possible fates of methane in oxic and anoxic zones? In each case indicate what theelectron acceptor is and which type of micro-organisms are responsible for the respective reactions.Trace the fate of the N atom during dissimilatory nitrate reduction, nitrification, denitrification, and the anammox reaction, and indicate whether each must occur in an oxic or anoxic environment
- How do microbes reduce the effects of oxygen toxicity? Explain how microbial growth patterns relate to oxygen toxicity.Explain the metabolic changes found in denitrifiers, compared to microorganisms doing aerobic respiration, and the consequence of denitrification for agricultural soils.The empirical rate law determined for the decomposition of ozone into molecular oxygen is:2O3(g) → 3O2(g) v = kmeas*[O3]2/[O2]The proposed mechanism can be described with the following equations:O3 −→ O+O2 v1 = k1[O3]O+O2 −→ O3 v2 = k2[O][O2]O+O3 −→ 2O2 v3 = k3[O][O3]Identify the intermediate species and using the steady-state approximation express the rate law belonging to the mechanism! What conditions must be satisfied for the expression to match the experimentally determined rate law? What is kmeas?
- The atmospheric ratio of peroxyacetic nitric anhydride (PAN) to PAN + inorganic nitrite varies from less than 0.1 to 0.9. High values of the ratio are associated with photo chemically aged air masses, situations where precipitation has recently occurred, and situations were unusually high nighttime nitrogen oxide concentrations are found. What do these observations tell us  about the factors affecting the relative rates of formation and removal of nitrogen oxide compounds?Contrast an aerotolerant and an obligate anaerobe in terms of sensitivity to O2 and ability to grow in the presence of O2.Match the items given in column A and B:Column A Column B(a) Catalytic converter (i) Particulate matter(b) Electrostatic precipitator (ii) Carbon monoxide and nitrogen oxides(c) Earmuffs (iii) High noise level(d) Landfills (iv) Solid wastes