Algae have the formula C6H15O6N. In the presence of oxygen and microbes: a C6H15

Question

Algae have the formula C6H15O6N. In the presence of oxygen and microbes:

a C6H15O6N + b O2 = c CO2 + d H2O + e NH3

NH3 + 2 O2 = NO3 - + H+ + H2O

a. Balance the chemical equation.

b. Calculate the ultimate CBOD for a 100 mg/L solution of algae. (97.5 ppm)

c. Calculate the NBOD for a 100 mg/L solution of algae. (32.5 ppm) Calculate 5-day BOD of a 100 mg/L solution of algae with a k = 0.2 day-1. (61.6ppm)

d. If you were measuring the 5-day BOD in the lab, how many mL of this solution would you add to a 300 mL BOD bottle to ensure that the final DO doesn

Explanation / Answer

a- C6H15O6N + 6 O2 = 6 CO2 + 6 H2O + NH3 balanced equation

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