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At 186 oC the equilibrium constant for the reaction: 2 HBr(g) H2(g) + Br2(g) is KP = 6.56e-11. If the initial pressure of HBr is 0.00753 atm, what are the equilibrium partial pressures of HBr, H2, and Br2? p(HBr) = . p(H2) = . p(Br2) = .
Calculate: A) mL of NaOH needed to reach the equivalence point B) pH of the solution before the addition of any NaOH C) pH of the solution after the addition of 15.0 mL of NaOH
A solution is prepared by dissolving 0.16mol of acetic acid and 0.16mol of ammonium chloride in enough water to make 1.0 L of solution.
The wavelength of the fundamental N-H stretching vibration is aobut 1.5 µm. What is the approximate wavenumber and wavelength of the first overtone band for the N-H stretch
How many liters of H_2 would be formed at 704 mm Hg and 14 degrees C if 21.5 g of zinc was allowed to react?
A mixture of 70 mole% propane and 30 mole% hydrogen is burned with 30% excess air.
Run in the forward direction to restablish equilibrium. B. Run in the reverse direction to restablish equilibrium. C. Remain the same. Already at equilibrium. The concentration of CO will: A. Increase. B. Decrease. C. Remain the same
draw the shape of the molecules and give the orbital geometry around the central atom; the molecular geometry; and give the hybridization state
What is the concentration of the compound in a solution whose absorbance at 291 nm is A = 0.095 with a sample pathlength of 1.00 cm?
How many moles of H3O+ must be added to one liter of a solution to adjust the pH from 7.48 to 5.90? Use E notation and 3 significant figures.
The double-replacement reaction below results in the formation of the precipitate lead chloride. Balance the equation and write the net ionic equation.
Extraction procedures have shown that nitrogenase contains an iron-sulfur cluster, Fe4S4, where the atoms of each type are arranged alternatively at the corners of a cube.
Rank each of the following compounds in decreasing order of reactivity towards Friedel-Crafts alkylation. Most reactive = 1; if a compound will not react, rank it as "non" rather than assigning a numerical value.
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