Aerobic degradation of benzoic acid by a mixed culture of microorganisms can be represented by the following reaction. C6H5COOH + a O2 + b NH3 æÆ c C5H7NO2 + d H2O + e CO2 (substrate) (bacteria) a. Determine a, b, c, d, and e if RQ = 0.9. b. Determine the yield coefficients, YX/S and YX/O2. c. Determine degree of reduction for the substrate and bacteria

Which is a difference between molecular compounds and ionic compounds? select the correct answer below: question 5 options: molecular compounds typically form between a metal and a nonmetal, while ionic compounds typically form between nonmetals. molecular compounds result from the transfer of electrons between atoms to form ions, while ionic compounds result from the sharing of electrons between neutral atoms. molecular compounds are formed of discrete, neutral molecules, while ionic compounds are formed of large repeating arrays of opposite charges. molecular compounds have high melting points and high boiling points, while ionic

Frictional forces acting on an object are often converted into energy, which causes the temperature of the object to rise slightly.

The following reaction shows sodium carbonate reacting with calcium hydroxide. na2co3 + ca(oh)2 → naoh + caco3 how many grams of naoh are produced from 20.0 grams of na2co3? (molar mass of na = 22.989 g/mol, c = 12.01 g/mol, o = 15.999 g/mol, ca = 40.078 g/mol, h = 1.008 g/mol) 12.2 grams 15.1 grams 24.4 grams 30.2 grams