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How do you account for the trend of melting points in this series of acids? octanoic (caprylic) C8H16O2 at 17.5 degrees C, decanoic (capric) C10H20O2 at 31.5 degrees C, dodecanoic (lauric) C12H24O2 at 44 degrees C, tetradecanoic (myristic) C14H28O2 at 55 degrees C, hexadecanoic (palmitic) C16H32O2 at 63 degrees C, octadecanoic (stearic) C18H36O2 at 71 degrees C, and eicosanoic (arachidic) C20H40O2 at 77 degrees C.
How many grams of malonic acid would be needed to make 50.0 milliliters (0.0500 L) of 0.200 M malonic acid?
How long would it take for 1.50 mol of water at 100.0 0C to be converted completely into steam if heat were added at a constant rate of 15.0 J/s?
60.0 mL of a 0.450 M solution is titrated with 0.570 M . Calculate the volume of required to reach the equivalence point.
MgNH4PO4 6H2O loses H20 stepwise as it is heated. Between 40c and 60c the monohydrate is formed and above 100c the anhydrous material is formed. What are the phosphorus percentages of the monohydrate and of the anhydrous material?
You have a radiocarbon sample analyzed and find out that the sample has 60% of the modern level of radiocarbon. Calculate the radiocarbon age of the sample using an assumed 5730-year half-life.
Using the Henderson-Hasselbalch equation determine the pKa for illinic acid from the following values: At pH 9.02, the concentration of illinic acid and its conjugate base
what mass of H2O is required to form 1.6 l of O2 at a temperature of 273 k and pressure of .936 atm
Why is it uncenessary to include an aluminum trihalide in the electrophilic aromatic bromination reaction of acetanilide with molecular bromine?
Describe how you wuld separate a mixture containing benzoic acid and a neutral substance, benzophenone. Both compounds are insoluble in water and solube in ether.
Calculate the final temperature for 225 g of water, which starts at 20 degree Celcius , after 0.75 grams of biodiesel have to be burned to heat the water
How many milliliters of a 9.0 M H2SO4 solution are needed to make 0.25 L of a 3.5 M H2SO4 solution?
Ideally what should the ratio between the three slopes (AlCl3 slope= 483.0 , CaCl2 slope= 421.4, and NaCl slope= 181.9) be? What are your actual experimental ratios?
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