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The equilibrium constant, Kc, for this reaction is 4.6 x 10^ -3 N2O4(g)<>2NO2(g) If the equilibrium contains 0.050 M NO2, what is the [N2O4]?
The nitrogen in a 4-tablet sample that weighed a total of 7.50 g was converted to ammonia by Kjeldahl digestion, followed by distillation into 100.0 mL of 0.1750 M HCl. The analysis was completed by titrating the excess acid with 11.37 mL of 0.108..
Calculate the pH of a buffer solution that contains 0.25 M benzoic acid (C6H5CO2H) and 0.15 M sodium benzoate (C6H5COONa). [Ka = 6.5 ? 10-5 for benzoic acid]
The concentration of Mg2+ in seawater is 0.052 M. At what pH will 92% of the Mg2 be precipitated as the hydroxide salt? [Ksp for Mg(OH)2 = 8.9* 10-12.]
What volumes of water (steam) and nitrogen monoxide are measure under same conditions of T and P.
549 mL of hydrochloric acid is exactly neutralized with 292 mL 0.450 M calcium hydroxide solution. What is the concentration of the acid solution?
After treating an antacid tablet with 5.00mL of 6M HCl, the unreacted acid was diluted to exactly 250mL with distilled water in a volumetric flask. 25.00 mL of that diluted acid required 17.03 NaOH to neutralize it. Calculate the amount of acid ne..
Assuming no loss of water and that the vessel has a heat capacity of 10.0 J/K What is the final temperature of the system? (specific heat capacity - c of copper = 0.387J/g•K)
A compound is composed of only C and H. It contains 88.82% C by mass and has a molar mass of 54.09 g/mol. What is the correct molecular formula
Using the intermolecular bonding between H2O molecules (bonding that exists in solid ice versus liquid water), explain why: 1) ice floats 2) ice formed in the crevices of a road or the granite face of a mountain is able to crack the road or cause ..
a metal container holding xenon gas xe has a pressure of 458 torr at 20 degrees celcius. at what temperature will the
The Fischer esterification mechanism is examined in the following two questions in the assignment
how do you write two half balanced equations for the following acidic solution MnO4^-(a)+Fe(s)--->Mn^2+(aq) +Fe^2+(aq)
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