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After treating the crude extract with activated carbon, the solution was somewhat lighter in color, but still quite dark. Knowing that trimyristin is in fact a white crystalline compound, why wasn't more activated carbon used in an attempt to remove most of the colored impurities
How many grams of titanium tetrachloride can be produced?
Sodium formate, HCOONa, is a weak base and undergoes hydrolysis in water. Determine the OH- concentration at equilibrium in a solution
Compound A is C4H9Cl and shows two 13C NMR resonances. Compound B is an isomer of compound A; it shows four 13C NMR resonances, and in the spin-coupled mode the resonance farthest downfield is a doublet. Identify compound A
Gas was obtained by boiling liquid nitrogen stored in a 175.0 L tank. What volume ofN2 is released at 0.940 atm of pressure and 25 C from a tank full of liquid N2(d=0.808g/mol)
What volume (in mL) of 25.0 M hydrochloric acid is required to prepare the volume of 17.0 M hydrochloric acid you found you needed in A to neutralize 4.0 grams of aluminum (III) hydroxide
A solution was made by taking 1.250g of KMnO4 and dissolving it in enough water to make 1.000 liter of solution. This solution was used to titrate H2C2O4·2H2O, a very pure substance. In acidic media, the reaction is.
determine the freezing point of this solution If 18.0 grams of a nonelectrolyte that has molar mass = 44.2 g/mol are combined with 110.0 grams of the solvent,?
Explain in term of CFSE, why high spin Cr2+ is a good reducing agent and low spin Mn2+ is a good oxidizing agent. Both ions are d4
Zn (s) + 2HCl (liq) -> H2 (g) + ZnCl2 (s), How many moles of ZnCl2 form when 6.3 mol of Zn reacts?
Phosphorus trichloride, PCl3, has a molar mass of 137.32 g/mol. What is the mass of 0.285 moles of PCl3?
A sealed container holding 0.0255 L of an ideal gas at 0.999 atm and 67C is placed into a refrigerator and cooled to 45C with no change in volume. Calculate the final pressure of the gas.
How many pounds of coal (of heating value of 10,000 BTUs per pound) would be needed to provide the 100 quadrillion BTUs if the efficiency of conversion to electricity was 35%? What fraction of the US coal reserves (estimated at 250 billion short t..
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