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How many moles of water will be produced by heating 238g of Cobalt (II) chloride hexahydrate?
Two isotopic compounds are produced in the synthesis of a new therapeutic drug which must be separated by repeated chromatography cycles. In each cycle, the solution containing both compounds must pass through a chromatography column
Nuclides below the valley of stability can become more stable through which of the following processes
What is the latent heat of vaporization Tsat in kJ/mol? (Answers are 1366 kW and 28.4 kJ/mol) Please show work for good rating.
When caffeine is treated with HCl what solvent is the resulting compound more soluble in? Methylene chloride, chloroform, or water When carboxylic acid is treated with a base such as NaOH
The following reaction equation depicts the reaction between hydrazine (N2H4) and dinitrogen textroxide (N2O4) to form diatomic nitrogen and water vapor.
Consider the reaction N2 (g) + O2 (g) ? 2 NO (g).a. How many g NO can be produced when 25.0 g of nitrogen reacts? b. How many g NO can be produced when 25.0 g of oxygen reacts? c. Based on your answers in a and b,
A certain aspirin tablet with a mass of 2.135 g contains 0.216g of aspirin. Explain what is the percent aspirin in the tablet
a nitrogen molecule is confined in a cubic box of volume 1.00m3. assuming that the molecule has an energy equal to
the rate constant of some reactions double with every 10 degree rise in temperature. assume that a reaction takes place
if the heat of neutralization of aqueous benzoic acid is 54.6 kjmol what is the enthalpy of ionization on benzoic
The flask contains 10.0ml of HCL and a few drops of phenolphthalein indicator. The buret contains 0.270 M Naoh. What volume of Naoh is needed to reach the end point of titration. What was the initial concentration of HCl
Calculate the Ka of an unknown monoprotic acid. When 15 mL of the acid was titrated with 28 mL of 0.15 M sodium hydroxide the equivalence point was reached at a pH of 8.48.
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