e following data were obtained from enzymatic oxidation of phenol by phenol oxidase different phenol concentrations S (mg/L) 10 20 30 50 60 80 90 110 130 140 150 V (mg/L-h) 5 What type of inhibition is this? Determine Vm, Km and Ksi. Determine the oxidation rate at [S]=70 mg/L 7.5 10 12.5 13.7 15 15 12.5 9.5 7.5 5.7

Q5: A sample of 0.676g of an unknown compound containing barium ions (Ba+) is dissolved in water and treated with an excess of Na2S04. If the mass of BaSO4 precipitate formed is 0.4105g. What is the percent by mass of Ba in the original unknown compound?

chemical engineering

2. Effluent from a biological process is treated using activated carbon and allowed to come to equilibrium. The concentrations of Total Organic Cabron (TOC) in the solution and on Activated carbon were recorded. Determine the most appropriate adsorption isotherm that fits the data. Determine the maximum adsorption capacity (if possible) and the adsorption constants. TOC in solution, mg/L TOC on Activated Carbon, mg/mg C 1.8 0.011 4.2 0.029 7.4 0.046 11.7 0.062 15.9 0.085

The following questions are in regard to the mass transfer  a.) If you have a system with the same soulute concentration everywhere, will mass transfer occur? b.) When will a bulk concentration equal an inerfacial concentration? When won't it? c.) What are typical units for partition coefficients?

What is the primary function of the aeration step in water treatment? Check all that apply. To get rid of suspended particles To reduce concentrations of dissolved carbonates To reduce bacterial levels To remove CO₂ To remove H₂S and NH3 To reduce concentrations of dissolved iron and manganese Submit Previous Answers Request Answer * Incorrect; Try Again; 3 attempts remaining

I need 15 and 16 options

Please need help.... i have tried to interpret graph. need mass of mibk and extract.

Experiments are conducted on the uptake of a water pollutant in water over an adsorbing solid. Once equilibrium is reached the concentration C, of the pollutant in the water (in mg/L) and the ratio Q of mass of adsorbing solid/mass of adsorbed pollutant (in g/mg) are measured. Experimental data are presented in the table below. These data are correlated using the following equation: where a and 8 are constants and: Cp is in mg/L Q is in g/mg a. Determine the units of oa and B in this equation: b. Appropriately transform the above equation using newly defined variables so that you can linearly regress the data visually to obtain the values of a and B. Cp (mg/L) Q (g/mg) 0.0049 1.3 0.0035 12.5 0.0027 75.2 0.0018 930.2

Which of the following is TRUE about column chromatography? 1. Components with greatest affinity elute first II. Components with least affinity elute first III. the position of peaks on the time axis can be used to determine components of the sample IV. Components elute in a random manner V. Components elute according to their concentration in the mixture Select one: O a. Il and III O b. IIl and IV O c. IIl and V O d. All of the statements are false O e. land II