Nitrification of water is a biological process for removing ammonia from wastewater as ammonium: NH4 (aq) + 2 02 (g) --> NO31 (aq) + 2 H* (aq) + H2O (1) The first-order rate constant is given as: k = 0.47eº.095(T – 0.15°C) where k is in day1 and T is in degrees Celsius. a. If the initial concentration of NH3 is 4.0 mol/m³, how long will it take to reduce the concentration to 0.80 mol/m³ in the spring (T = 20°C) b. Assuming the same amounts in part a, how long will it take to reduce the concentration in the winter (T = 10°C) c. Using your answer in part a, what is the rate of 02 consumption?
Nitrification of water is a biological process for removing ammonia from wastewater as ammonium: NH4 (aq) + 2 02 (g) --> NO31 (aq) + 2 H* (aq) + H2O (1) The first-order rate constant is given as: k = 0.47eº.095(T – 0.15°C) where k is in day1 and T is in degrees Celsius. a. If the initial concentration of NH3 is 4.0 mol/m³, how long will it take to reduce the concentration to 0.80 mol/m³ in the spring (T = 20°C) b. Assuming the same amounts in part a, how long will it take to reduce the concentration in the winter (T = 10°C) c. Using your answer in part a, what is the rate of 02 consumption?
Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter11: Chemical Kinetics
Section: Chapter Questions
Problem 11.36PAE: The reaction NO(g) + O,(g) — NO,(g) + 0(g) plays a role in the formation of nitrogen dioxide in...
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