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A solution of dimethylamine/dimethylammonium buffer contains 0.246 M (CH3)2NH and 2.09 M (CH3)2NH2Cl. Calculate the pH of the solution. Round your answer to 3 significant digits. Kb= 5.1x10^-4 (CH3)2NH(aq) + H2O(l) = (CH3)2NH2+(aq) + OH-(aq)
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What is the calculation of K c for the following reaction if an initial reaction mixture of 0.600 mole of CO and 1.80 mole of H 2 in a 6.00 liter container forms an equilibrium mixture containing 0.226 mole of H 2 O an ...
A sealed vessel contains a gaseous mixture of H2 and excess O2. The mixture is at 500 K and has a total pressure of 140 kPa. After all of the hydrogen is reacted, the total pressure of the system measured at the same tem ...
Using data from unfiltered white light and the white light through the yellow filter, determine which two colors of light mix to form yellow. Support your conclusion with a quantitative discussion of relative peak intens ...
The reaction of solid dimethylhydrazine ((CH3)2N2H2) and liquefied dinitrogen tetroxide (N2O4) has been investigated as a rocket fuel; the reaction produces gaseous carbon dioxide (CO2) nitrogen (N2) and water vapor (H2O ...
For the molecule allene, H2 C = C = CH2, give the hybridization of each carbon atom. Will the hydrogen atoms be in the same plane or perpendicular planes?
1. Balanced equation for the double-replacement precipitation reaction described, using the smallest possible integer coefficients. A precipitate forms when aqueous solutions of iron(II) chloride and sodium hydroxid ...
Suppose that you take .5000 gram of Na2CO3 and titrate it with .115M HCL solution. What is the equivalence point volume expected for the complete titration? (Formula weights Na2CO3 = 105.99g/mol and HCL = 36.46g/mol)
1) If Congress taxes CO2 production at $40 per ton of CO2, what is the tax to burn one ton (2000 pounds) of coal which is 75% carbon? 2) How much heat energy can you get from burning that ton of coal? Take the book value ...
A Chem major obtains a high-paying summer job and is given the task of determining the ethanol content (in vol %) of a commercial mouthwash sample. she decides to use gas chromatography because the experiment was so much ...
N2O5 decomposes following first order kinetics. If 75% of the original sample of N2O5 has decomposed after 2240 minutes, what is the value of k, the rate constant, at this temperature(in min-1)?
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