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Ammonium nitrate decomposes to N2O and water at temperatures between 250C and 300C. Write a balanced chemical reaction describing the decomposition of ammonium nitrate, and calculate the standard heat of reaction using the appropriate enthalpies of formation.
a 3.50 g sample of solid mgoh2 was treated with 50.0 ml of 0.500 m h2so4aq. after the reaction was over some of the
Calculate the minimum pH needed to precipitate Mn(OH)2 so completely that the concentration of Mn2+ is less than 1 Microgram per liter
Calculate the value of q, w, delta E , for the reversible isothermal expansion at 300k of 2.00 mol of a perfect gas
Write the three standard reductions of fresnium, copper, and joaquium in the format of a standard reduction potential table. What is the strongest oxidizing agent and the strongest reducing agent of the three
how to find the maximum percentage yield of the ketene when the phase-gas decomposition of acetic acid at 1189k
calculate the mass of magnesium needed to generate 80.0 ml of h2gas. assume a temperature of 22.0 degc and a pressure
For a particular redox reaction MnO2 is oxidized to MnO4- and Cu2 is reduced to Cu . Complete and balance the equation for this reaction in basic solution.
In this experiment a hot metal block at 100oC is added to cold water in a calorimeter. The heat lost by the metal block equals the heat gained by the water and the two end up at the same temperature.
Provide simple instructions for preparing 1.00 L of a solution having pH = 7.00 at 298 K. Your instructions should include the volumes of the solutions required.
Which of the following molecules or polyatomic ions have a dipole moment (that is, which molecules or ions are polar). Your response should list the letters for all correct answers in alphabetical order
At some temperature, a chemist found the following equilibrium concentrations. [Fe3+] = 6.63 10-3 M, [SCN-] = 7.36 10-3 M, [FeSCN2+] = 4.34 10-2 M
When dealing with Hydrogenation of Oils, does it matter which double C bond you hydrogenate if there are two or more to make the oil partially hydrogenated?
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