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Calculate the pH of 1.0 L of the solution that is 0.62 M in NH3 and 0.23 M in NH4Cl upon addition of 0.019 mol of solid NaOH to the original buffer solution. For ammonia, pKb = 4.75.
Solve an equilibrium problem (using an ICE table) to calculate the pH of each of the following solutions 0.14 M CH3NH2.14M Ch3NH3Cl a mixture that is 0.14 M in CH3NH2 and 0.14 M in CH3NH3Cl
Compute the mole fraction of CO in the mixture. b) The mixture is heated and the CO starts to react with O2 to give CO2 according to the equation: CO(g)+1/2O2->CO2. At equilibrium, 3.0 mol of CO2 is present. Using an ICE table, determine the mole fra..
Question : Explain and show how you would sythesise the following compounds, starting with benzene or toluene and any necessary acyclic reagents. Assume para is the major product.
Calculate amount of Energy released in formation of one mole of BaO (Not Lattice energy). The radius of barium ion is 1.35 A and Radius of oxide ion
1why is an acetyl group added to aniline making acetanilide and then removed to regenerate the amine group in
MAPH loses H2O stepwise as it is heated. Between 40 C and 60 C the monohydrate(MAPH) is formed and above 100 C the anhydrous material(MAPH) is formed. What are the Phosphorous % of the monohydrate and anhydrous material
Celcius and add 130.0mL of water at 95.00 Celcius, what is the final temperture of the mixture? Use 1.00 g/mL as the density of water.
show the path an electron takes when orbiting an atom describe regions of space in which one is most likely to find an electron.
Sodium bicarbonate decomposes to form the final solid product sodium oxide. Using a balanced equation, you are to convert the grams of sodium bicarbonate, one number is 5.213, to moles.
Using Rydberg's equation for the energy levels (E = -R/n^2) and the wavelength and the c=(lambda)v, E=hv equations, SHOW/ PROVE how E(red band in H-spectrum, lambda = 656 nm) = (Delta or change/ difference) E (3 --> 2)?
A sample of an unknown gas effuses in 14.7 min. an equal volume of h2 in the same apparatus under the same conditions effuses in 2.42 min. what is the molar mass of the unknown gas
If a protein has a molecular weight of 62,000 g/mol and a molar absorbtivity of 98,000 M-1 cm-1 , at a concentration of 1mg/mL the absorbance in a 1 cm cuvet would be:
suppose that 2.00L of solution are made from 150. mg of citric acid, C6H8O7, A. what is the molar mass of citric acid? B. what is the molarity of citric acid in the solution?
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