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2NH3(g)----N2(g) + 3H2 (g) at equilibrium, it was found that the concentrations were: .0584M for H2, .0195M for N2 and .430M for NH3. What was the initial concentration of ammonia?
The reaction of copper metal with silver ions in a solution if silver nitrate is spontaneous . Calculate she standard cell potentiom to show that this is so.
What NaCl concentration results when 214 mL of an 0.680 M NaCl solution is mixed with 592 mL of a 0.230 M NaCl solution
how many grams of magnesium chloride mgcl2 would be required to prepare a 0.2019 m mgcl2 solution by combining this
Calculate the density of hydrogen bromide gas (in g/L) at 733 mm Hg and 47 degrees Celsius
In a coordination compound, which ion would you expect to have a higher coordination number with a bidentate nitrate group (NO3-), Co3+ or Ir3+? Why?
What is the predicted number of 13C NMR peaks for methylcyclopentane and 1,2-Dimethylbenzene respectively
A pound of coffee beans yields 70 cups of coffee (4 cups = 1 qt). How many milliliters of coffee can be obtained from 1.0 g of coffee beans.
A student mixed 50.0 mL of 0.50 M H2SO4 (aq) at 18.5 degrees C with 100 mL of 0.50 M NaOH (aq) at the same temperature. After the reaction was completed, the temperature rose to 22.0 degrees C. What was the heat of reaction? (Assuming the densitie..
What would be the best indicator for the titration of 0.20 M CH3COOH titrated with 0.2 M NaOH? (Ka for acetic acid = 1.8 X 10-5) The pH ranges for the color change of some common acid base indicators are given below
A certain substance has a molar heat of vaporization of 31.6 kj/mol. How much of the sunstance is in a sample that requires 57 kj to vaporize.
If a temperature increase from 11.0degree C to 20.0degrees C doubles the rate constant for a reaction, what is the value of the activation barrier for the reaction
Write the half reactions and the blanced equation for the galvanic cell: Ag(s) | AgCl(s) | Cl^-(aq) || Cl^-(aq) | Hg_2Cl_2(s) | Hg(l).
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