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In an adsorption batch test substance Y is dissolved in the solution with an initial concentration of 250 mg/L. 0.3524 gram of granulate activated carbon GAC was added to 50mL of such solution as well as had sufficient contact time with the solution. The substance Y solution now has a concentration of 25 mg/L. Explain what is the mass of substance Y that is adsorbed to the GAC? Explain what is mass to mass ratio of the adsorbed substance Y to GAC in mg/kg at this equilibrium concentration?
use the van der waalsequation to determine the molar volume of steam at 200 bar and 500degc. compare this value with
HZ is a weak acid. An aqueous solution of HZ is prepared by dissolving 0.020 mol of HZ in sufficient water to yield 1.00 L of solution
For the titration of 25.0 mL of 0.20 M hydrofluoric acid with 0.20 M sodium hydroxide, determine the volume of base added when pH is 2.85
A two-component mixture is analyzed by gas chromatography with flame ionization detection. compound x has a retention time of tr= 11.53 min with N= 16,520 theoretical plates
What is the smallest possible integer coefficient of S in the combined balanced equation and compute the final pressure in the tank if nothing else is altered in the surroundings.
Epsom salts is magnesium sulfate heptahydrate.
A fully animated PowerPoint presentation explaining the molecular structure of fats, the difference between saturated and unsaturated fats and why bromine can be used to test for fats and how saturated they are.
What is the limiting reagent in this procedure? B. Based on your answer to part A, what mass of Fe(C5H5)2 could theoretically be formed? C. A student who carried out this reaction obtained 2.7 g of ferrocene. What was the percent yield for this re..
constant- pressure calorimeter containing 80 g of water at 24.3 C. the final temperature of the system was found to be 28.8 C. Calculate the amount of heat that flowed into the water.
Calculate the standard enthalpy of formation of carbon disulfide (CS2) from its elements, given the following data.
a mixture of ethanol and 1-propanol behaves ideally at 36c and is in equilibrium with its vapor. if the mole fraction
The fuel used in many disposable lighters is liquid butane, C4H10. How many carbon atoms are in 2.00 g of butane
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