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A study of the system,
4 QH3(g) + 7 O2(g) 2 Q2O4(g) + 6 H2O(g)
was carried out. A system was prepared with [QH3] = [O2] = 3.61 M as the only components initially. At equilibrium, [Q2O4] is 0.572 M. Calculate the value of the equilibrium constant, Kc, for the reaction.
A sealed container holding 0.0255L of an ideal gas at 0.983 atm and 71C is placed into a refrigerator and cooled to 37C with no change in volume
How would (The weak base sample was impure, containing about 5% inert material) affect the values of Ka for the weak acid unknown and the values of the molar mass for the disodium salt
It only contains only C,H, and O. A 116mg sample was treated with an excess of methylmagnesium bromide, producing 48.7ml of methane gas at 20 degrees C and 750mm Hg.
What is an anionic sulfide complex. Explain in terms of coordination chemistry, and show reactions of their formation. When do these complexes form. Are these complexes water soluble
What is the rate constant of a first-order reaction that takes 215 for the reactant concentration to drop to half of its initial value?
The vapor pressure for methanol and ethanol at 50 C is 406 and 222 Torr, respectively. Calculate the total vapor pressure of a mixture at 50 C that contains 0.2 mol of methanol and 0.1 mol of ethanol.
A solution of an unknown nonvolatile electrolyte was prepared by dissolving 0.250 g of a substance in 40 g of CCl4. The boiling point of the resultant solution was 0.357 degrees Celsius higher than that of pure solvent. Calculate the molar mass of..
Calculate the effective radiation dosage (in Sieverts) for a 85-kg person who is exposed to 7.3 × 109 particles of alpha radiation. Assume that 85% of the radiation is absorbed,
To a 100 mL volumetric flask are added 1.00 mL volumes of three solutions: 0.0100 M AgNO3, 0.220 M NaBr, and 0.100 M NaCN. The mixture is diluted with deionized water to the mark and shaken vigorously.
Calculate the number of grams of sulfuric acid in 0.460 of battery acid if the solution has a density of 1.27 and is 37.8 sulfuric acid by mass.
how many grams of carbon are required to react with 1.5x10^25 atoms of hydrogen to form CH4
consider the given equation 2 noclg 2 nog cl2g at 35degccalculate the concentrations of all species at equilibrium
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