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Combustion analysis of a certain hydrocarbon which contains only C and H produced 33.01g of carbon dioxide and 13.51g of water. Explain what are the empirical formulae of the hydrocarbon.
salicylic acid reacts with methanol to produce oil of wintergreen and water. If water is added to the solution, a precipitate is formed. identify the precipitate and explain why it is formed.
What polypeptide would be synthesized from the following template strand of DNA:3' CGG AGA CGG ACG 5'. What is the amino acid sequence that is coded by mRNA sequence 5' AAG GCU AGU GGC 3'
Evaluate the z-component of the angular momentum and the kinetic energy of a particle on a ring that is described by the (unnormalized) wavefunctions e^iΦ ,e^-2iΦ ,cosΦ ,(cosφ)e^iΦ , (sinφ)e^-iΦ
Calculate the theoretical yield of aspirin to be obtained, starting with 2.0 g of salicylic acid. 2. If 1.8 g of aspirin were obtained in this experiment, what would be the percent yield?
Calculate the volume of concentrated sulfuric acid, containing 98% H2SO4 by mass, that would contain 40.0 g of pure H2SO4.
saturated steam at 300degc is used to heat a counter-currently flowing stream of methanol vapor from 65deg c to 260degc
The acid-dissociation constant for an acid-base indicator HIn is 0.0000438. At 600 nm, the molar absorptivities are 2230 for HIn and 8900 for In-. Calculate the absorbance at 600 nm of a 1.00 x 10-4 M solution of the indicator at pH 4.81 in a 1.00..
considering the given chemical equation as c2h5oh lo2gco2gh2og you just need to balance this equation and also show
if a sodium hydroxide solution were added to a solution containing leadii ions sodium ions nickelii ions and potassium
If 30.0mL of 0.150M calcium chloride is added to 15.0mL of 0.1 M silver nitrate, Explain how many grams of silver chloride are produced if the other product is calcium nitrate
write an essay that explains the energy changes that occur during a chemical reaction. when is energy absorbed and when
b6. at elevated temperaturessbcl5 gas decomposes into sbcl3 gas and cl2 gas as shown by thefollowing equation.sbcl5
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