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The equilibrium constant Kp is measured (at an unspecified temperature) to be 0.66 for the reaction:
N2O4(g) <-------> 2 NO2(g)
If the total pressure of the gas mixture is 2.5 atm at equilibrium, what is the partial pressure of NO2?
The element M forms the chloride MCl4 containing 75.0% Cl by mass. What is the atomic weight of M?
Draw the major, neutral organic product for each substitution reaction below
Assuming this particle is a single crystal, how many unit cells are lined up across the diameter of the particle? d. Calculate the mass of the particle. e. Approximately how many atoms does this particle contain?
Why is mercury being replaced by other liquids such as colored alcohol as the temperature-sensing fluid
what is the pH of a solution prepared by mixing 25 mL of 0.10 M methylamine with 25 mL of 0.10 M methylammonium chloride?assume that the volume of the solutions are additive and that Kb = 3.7 x 10^-4 for methylamine
A 4.10 g nugget of pure gold absorbed 292 J of heat. The initial temperature was 28.0°C. What was the final temperature.
How many grams of water at 0oC could be frozen to ice at 0oC by the evaporation of 493 grams of isopropyl alcohol?
Carbonate buffers are significant in regulating PH of blood at 7.40. Calculate the concentration of Carbon dioxide in a 0.200M NaHCO3 at PH=7.40.
Calculate the concentration of magnesium and calcium in ppm. Record your answers as ppm Mg2+, and Ca2+ espectively. For each answer indicate the ppm as CaCO3 also.
what is the strongest intermolecular force in a liquid containing molecules
Calculate the molar concentration of H3PO4 in this solution: Calculate the number of grams of this solution required to hold 87.5 g H3PO4:
Calculate the pH and the concentrations of all species present in a 0.19-M solution. The acid dissociation constants are K1 = 5.9 10-2 and K2 = 6.4 10-5.
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