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Gaseous ammonia was introduced into a sealed container as well as heated to a particular temperature, according to
2 NH3(g) <=> N2(g) + 3 H2(g)
At equilibrium, {NH3} = 0.317, {H2} = 0.47 and {N2} = 0.144. Compute the value of Kc.
A titration was performed between 25 mL of 0.100 M NH3 and 0.100 M HCl. Calculate the pH of NH3 solution at the following points during the titration.
A student found that her mixture was 15% NH4Cl and 75% SiO2 .Assuming her calculation are correct, what did she most likely do incorrect in her experiment?
As a technician in a large pharmaceutical research firm, you need to produce 300. of 1.00 potassium phosphate buffer solution of = 7.11. The of is 7.21. You have the following supplies: 2.00 of 1.00 stock solution
What is the maximum strength of acetic acid waste ( as TOC in mg/L) that can be discharged without violating either permit requirement? ( recall that TOC in mg/L , measures the number of miligrams of carbon per liter)
Write a thermochemical equation for the reaction that shows the formation of one mole of nitric acid.
What is the molar concentration of the excess reactant once this reaction has finished? (40%)
consider the reversible reaction ag lt---gt 2bgat equilibrium the concentration of a is 0.381 m and that of b is 0.154
What are the oxidation numbers of the central metal atom in the following coordination compounds: K3[Fe(CN)6], [Cr(NH3)4Br2]Br, [Ni(H20)6]Cl2, Na2[TaF7]
A 15 mL sample of a solution of Pb(ClO3)2 was diluted with water to 19 mL. A 15 mL sample of the dilute solution was found to contain 0.027 moles of Pb2+. What was the concentration of Pb(ClO3)2 in the original undiluted solution.
If the symbol for topaline is To, predict the formula of a compound that presumably would result from the reaction between magnesium and topaline
How large should n be in order to approximate the integral from 0 to 1 sin(X^2) dx accurate to with in .001 using the midpoint rule
What is the pH of 0.549 M piperidinium iodide, C5H11NHI? The Kb of piperidine, C5H11N, is 1.3 x 10-3.
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