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Suppose at some temperature, Kc= 6.20 X 10^8 for the reaction 2NO(g) + 2H2(g) <--> N2 (g) + 2H2O(g). 5.00 M NO(g) and 5.00 M H2 (g) are placed in a reaction flask. Calculate the equilibrium concentration of H2 (g).
Calculate the equlibrium concentration of Ni2+ in a solution with an analytical Ni(EDTA)2- concentration of 0.0125 at pH 8.0.
If a solution is made with 0.125M magnesium nitrate, (Mg(NO3)2), and 0.100M aqueous ammonia (NH3) will a precipitate of magnesium hydroxide form Ksp= 1.1e-10 Kb= 1.8e-5
Regarding the Human Genome Project (HGP) ~ Do you expect this sort of work to yield additional medical therapies as time goes on
A solution is made by mixing 49.0 mL of ethanol, C2H6O, and 51.0 mL of water. Assuming ideal behavior, what is the vapor pressure of the solution at 20 degrees celcius
A 2.06-g sample of zinc was placed into 146 mL of 3.88 M HCl and the hydrogen generated was collected over water at 24 oC. Atmospheric pressure was 764 mm Hg. What was the total volume of hydrogen collected
How would you prepare a 25.0% water in ethyl alcohol solution using 100.0 ml of ethyl alcohol (the density of alcohol is 0.7893 g/ml)
I know it is a dilution problem but I am lost other than that. Please help. The concentrations and final volumes were given in a table and paired by the way.
what is the ph of a buffer solution prepared from equal volumes of .25 m sol of a weak acid and .025 m sol of the salt of that weak acid. the acid has a pka of 4.82
Calculate the solubility of CuX (Ksp= [Cu2+][X2-]=1.27x10^-36) in a solution that is .200M in NaCN
Suppose you are measuring the mass of a sample using a balance that employs a standard mass of density dw = 8.0 g/mL. a) What is the buoyancy correction (m/m\'), if the sample density is less than 8.0 g/mL?
A solution that has a K+ concentration of 5.00ppm is to be prepared from solid KCl. Assuming a solution density of1.000g/mL how many miligrams of KCl must be added to make 1.00L solution?
If the correct mass percentage of HC2H3O2 in the vinegar is 5.40%, why does trial 2 give the best results. What is the percent error of this trial
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