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The pH of a sodium acetate-acetic acid buffer is 5.30. Calculate the ratio [CH3COO-]/[CH3COOH].
Calculate the entropy and Gibbs energy of mixing when the partition is removed. Assume that the gases are perfect.
Calculate the mass of water produced when 9.11 g of butane reacts with excess oxygen. Express the mass of water numerically in grams.
What is the vapor pressure of isopropanol at 200 C if its molar volume calculated by a first order virial expression
Use data from appendix iib in the textbook to calculate the equilibrium constants at 25 degrees Celsius for each of the following reactions:
The reaction between 0.0459g of magnesium with excess of HBr was carried out in an ice calorimeter. The volume of water in the calorimeter decreased by 0.18mL during the reaction.
During an extraction a student loses track of which layer is the organic layer. How could she determine which layer is the aqueous phase?
write two equations that show thw two-stage ionization of sulfurous acis in water.(H2SO3) which stage of ionization is likely favored?
What is effective diffusion coefficient of CH4 in the nanochannel at the feed gas conditions? Is Knudsen diffusion important?
What is the enthalpy change corresponding to the melting of 2.5 moles of H2O? What is the system? What is the surrounding?
If 35.27 g of sodium carbonate react completely, how many grams of H2O will be produced?
Liquid carbon disulfide burns in oxygen to form carbon dioxide and sulfur dioxide gases. Calculate the number of oxygen molecules it would take to consume 500 molecules of carbon disulfide
A major source of iron is from the mineral magnetite which is 72.4% iron by mass. If magnetite has a density of 5.20 g/cm3, how many cubic meters
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