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A reaction of 2.00 ml of nitric acid and excess sodium hydroxide was carried out in an ice calorimeter. It resulted in a change in volume of the ice/water mixture of 0.217 mL in an ice calorimeter. The enthalpy of neutralization of nitric acid is -56.3 kJ/mol, density of ice = 0.917 g/mL, density of water at the 0o C = 1.00 g/mL, and the enthalpy of fusion for ice = 333 J/g. Calculate the molarity of nitric acid.
Yeast and other organisms can convert glucose (c6h12o6) to ethanol (ch3ch2oh) by a process called alchoholic fermentation. The net reaction is
Problem- a) Decide which is more stable: an aryldiazonium cation, or a cyclohexyldiazonium cation? Use resonance structures to justify your answer. b) Upon heating to temperatures above 50oC, aryldiazonium salts decompose and evolve nitrogen gas.
The hydration of carbon dioxide (add water to CO2) produces carbonic acid and is part of the equilibrium that controls carbon dioxide levels in the blood during respiration of vertebrate organisms. How can this reaction be explained using the Lewi..
Having determined the correct stereo chemical structure of dibromocholestrol, propose a mechanism for its formation. Did the bromine molecule approach the double bond from the top (C10 methyl side) or bottom?propose an experiment which might prove wh..
The pH range given is typically 0 - 14. Concentrated acids as well as bases may fall outside this range. Compute the pH of hydrochloric acid, if the solution is sold as 31 % by weight (31 g HCl / 100 g solution) with a density of 1.15 g/mL.
in this experiment several saturatedsolutions of borax will be saturated with a standard solution ofhcl. the titration
in 2 solutions of equal volume and mass but with solutes of different identities we learned that the solution that has
calculate the molecular mass of paba a common sunscreen agent. when 8.32g of paba is dissolved in 150.0g of chloroform
Problem- Above what Fe2 concentration will Fe(OH)2 precipitate from a buffer solution that has a pH of 8.11? The Ksp of Fe(OH)2 is 4.87Ã-10-17.
At 1 atm, how much energy is required to heat 63.0 g of H2O(s) at -24.0 °C to H2O(g) at 143.0 °C
Actually, whether these collisions are elastic or inelastic makes no difference as long as the walls are at the same temperature as the gas. Explain.
Barium sulfate, BaSO4, is so insoluble that it can be swallowed without significant danger, even though Ba2+ ions are toxic. At 25 °C, 1.00 L of water dissolves only 0.00245 g BaSO4. Calculate Ksp for BaSO4.
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