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Reaction A B proceeds with H = - 25 kJ×mol-1; S = - 100 J×K-1×mol-1. Substance A was taken at the initial concentration 2 mM. Determine the concentrations of A and B after the reaction reaches equilibrium. Assume T = 298 K.
an aqueous solution contains 10.6 percent sodium chloride nacl by mass. determine mass of water is contained in 2.8
When 3 methyl 1 butane reacts with Hbr, two alkyl halides are formed: 2 bromo 3 methylbutane and 2 bromo 2 methyl butane. Propose a mechanism that explains the formation of these products.
The decomposition of NO2 by the following reaction at some temperature proceeds at a rate 5.40 x 10-5 mol NO2/L.s when [NO2] = 0.00878 mol/L. 2 NO2(g) ® 2 NO(g) + O2(g)
A 30.0-mL sample of 0.165 M propanoic acid is titrated with .300 M KOH. Calculate the pH after the following amounts of base is added
A 0.50 sample of vegetable oil is placed in a calorimeter. When the sample is burned, 18.9 are given off. what is the caloric value of the oil
A plot of ln [C] versus time is linear for the reaction C ® D. What is the kinetic order of the reaction. A) first B) one-half C) zero
a 1.80 m solution of 56 ml is diluted to a volume of 218 milliliters a portion of that solution of 109 milliliters is
what mass of ammonium chloride can be added to 100 grams of water at 20 degrees celcius before the solution becomes saturated?
Calculate the wavelength of the light in nanometers corresponding to this transition. You can use the following values for your calculations: Planck's constant (h) = 6.626x10^-34 Jxs, speed of light (c) = 2.998x10^8 m/s, and 1m=10^9nm.
What is the molarity of the solution that was prepared by dissolving 3.2 g of sulfuric acid in water to a total volume of 500 mL
What method will you utilize to remove the organic liquid from the naphthalene? What is the name of the organic liquid being removedand why does this method work?
Draw the boundary surface diagrams for the following atomic orbitals, including the appropiate axes. a) 4py
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