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A close system containing 10^-3 NaHCO3 and 10^-4.7 NaCN. What was the pH and alkalinity of the system?
1.00 mol/s of methane (CH4) is combined with 2.00 mol/s of oxygen (O2) and completely combusted isothermally to CO2 and H2O vapor at 500°C and 1 atm. How much heat (in kJ/s) is required for this process.
three solutions are mixed together to form a single solution. one contains 0.2 mol pbch3coo2 the second contains 0.1
The two amino acids, glycine and alanine, can form two different dipeptides. Draw one of the possible dipeptides as it would appear at a pH of 7. Be sure to include any necessary nonzero formal charges in your drawing
The cup is a volume widely used by cooks in the U.S. One cup is equivalent to 237 cm^3. If 1 cup of olive oil has mass of 216 g, what is the density of olive oil in g/cm^3?
the meta and para forms of phenylene diamine are used in the production of Kevlar and Nomex, respectively. Why is a corresponding material with similar properties not made from ortho-phynelene diamine
What are he experimental conditions of T and P that will be used to calculate the mass of air in the flask? B) Calculate the density of air at the experimental conditons identified in part A
Explain how you known. Use Lewis dot drawings as part of your explanation. Ag+ + 2NH3 --> [Ag(NH3)2]+
If all the species are at standard conditions except [H+], at what pH will this reaction have a potential of zero? The standard reduction potentials are 1.78 V for H2O2 and 1.36 V for Cl2.
An aqueous solution is 16% (w/w) H2SO4 (molar mass=98.09). What is the mole fraction of H2SO4 in this solution
Calculate the vapor pressure of water above a solution prepared by dissolving 26.9 g of glycerin (C3H8O3) in 183 g of water at 343 K. Vapor Pressure (torr) at 343 (or 70) is 233.7 torr
One mole of an ideal gas with Cv,m = 3R/2 initially at 325K and 1.5*10^5 Pa undergoes a reversible adiabatic compression. At the end of the process, the pressure is 2.50 * 10^6 Pa.
Nitrogen dioxide and water react to produce nitric acid HNO3 and nitrogen monoxide. 3NO2(g) + H2O(l) --> @HNO3(aq) + NO(g)
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