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Ammonium will react with oxygen in the presence of a copper catalyst to form nitrogen and water. At 179 C, the rate constant is 0.602 hr-1g-1 and at 160.5 C, the rate constant is 0.151 hr-1g-1. What would you expect the rate constant to be at 195.6 C? R = 8.31447215 J/Kdmol
Use the information given to determine the ?Hof of NO(g) in the reaction below. 4NH3(g) + 5O2(g) ? 4NO(g) + 6H2O(g) ?Horxn = -902.0 kJ (NH3(g) ?Hof = -45.9 kJ/mol; H2O(g) ?Hof = -241.8 kJ/mol)
Using the fact that on the surface of the Earth, where g is constant, 1 kg has a weight of 2.2 lbs, find your mass in kg. C) Convert your height in feet and inches into meters (1 ft = 30.48 cm; 1 in = 2.54 cm).
Calculate the molarity of a solution by dissolving 0.710 grams of Na2SO4 in enough water to form exactly 900 mL of solution
Each of the insoluble salts below are put into 0.10 M hydrobromic acid solution. Do you expect their solubility to be more, less, or about the same as in a pure water solution
calculate the amount of heat required to heat a 3.9 gold bar from 27 to
According to the following reaction, how many grams of oxygen gas are required for the complete reaction of 29.0 grams of hydrogen sulfide
given a titration between 60.00 ml of 0.100 m acid ha ka a x 10-6 and the titrant sodium hydroxide naoh whose
What is the enthalpy of this reaction? Assume that no heat is lost to the surroundings or to the coffee cup itself and that the specific heat of the solution is the same as that of pure water.
an empty vial has a mass of 67.77 g. if the vial has a mass of 244.56 g when completely filled with liquid carbon
Compare lattice energies of LiI and PbI2 and calculate the formation enthalpy in each case by constructing a Born-Haber cycle. Which one is more ionic? Comment.
a solution is prepared by adding 40.3 g of Mg(NO3)2 to 127 g of water. Calculate the mole fraction and molality of magnesium nitrate in this solution
Calculate the mole fraction of each component in resulting mixture after oxidation assuming that H2O is present as a gas.
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