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What are aromatic compounds woth reference to structures in organic chemistry.
If the client weighs 225 lb, how many kg of fat does he have?
Determine the empirical and molecular formulas of Ibuprofen has 75.69% C, 8.80%H and 15.51%O by mass and has a molar mass about 206g/mol.
sulfur dioxide is an unwelcome result of burning soft coal in power plants. Some of the sulfur dioxide ends up as sulfuric acid ( H2SO4) in acid rain.
Show two different ways to make methyl propionate, using methanol, propionic acid and other necessary reagents The methanol and propionic acid do not have to both be used in the first step.
Methane and hydrogen sulfide form when 36g H2 texts with carbon disulfide. Calculate the percent yield if the actual yield of CH4 is 69.8g.
The enzyme triose phosphate isomerase catalyzes the isomerization of dihydroxyacetone phosphate. What is the product of this reaction
The sample is diluted with 70.825 g of water. A 13.898 g aliquot of this solution is then titrated with 0.1090 M HCl. It required 29.89 mL of the HCl solution to reach the methyl red endpoint. Calculate the weight percent NH3 in the aqueous waste.
Compute the [H+] and pH of a 0.0040 M hydrofluoric acid solution. Remind that the Ka of hydrofluoric acid is 6.8 × 10-4. Utilize the method of successive approximations in your calculations.
Question- A solution with a total pressure of 1 bar, is made up of two compounds A and B. The mole fraction of A in the liquid phase is 0.25 and the mole fraction of A in the vapor phase is 0.15. 1) What are the vapor pressures of pure A and B. Ass..
What is the PH at the equivalence point in the tritation of 100ml of 0.10M HCN and 0.10M NaOH? The Ka of HCN is 4.9x10-10
you and another student were each given an unknown compound. both samples contained pale yellow solids. you both used
what mass of co2nbspdo you introduce into the earths atmosphere by completely burning one tank of gasoline in your
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