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The solubility of silver sulfate, Ag2SO4, in water has been determined to be 8.0 g/L. What is the solubility in 0.24 M sodium sulfate, Na2SO4?
A sample of gas has a volume of 1.55 L at 35 °C and 1.05 atm. What is the pressure (in torr) if the volume changes to 1.38 L and temperature to -28 °C.
When 35.0 g of an unknown nonelectrolyte is dissolved in 220.0 g of benzene, the solution boils at 83.2°C. Calculate the molecular weight of the unknown nonelectrolyte. The Kb for benzene = 2.53°C/m. The boiling point of pure benzene is 80.1°C.
Calculate the wavelength, in nanometers, of the spectral line produced when an electron in a hydrogen atom undergoes
Write the structural formula of a mixed triglyceride containing the following three acids: linoleic acid
How would this computed ? compare with the dimensions of a typical atom? (-1 if much smaller, 0 if about the same magnitude, +1 if much bigger)
By what factor (how many times) will the rate constant increase when the temperature is raised from 10°C to 28°C?
Give the shape of each molecule in problem and describe whether each molecule is polar or non polar and tell whether each is soluble or insoluble in water
Write the reactions for the preparation of the diaonuim salt for the coupling of the salt with the sodium salt of 2-napthol.
Assuming a BOD reaction rate constant of -0.4/day, what will be the the BOD remaining in the stream after the combined flow has traveled for 2 days? Remaining BOD after 2 days = [BOD] mg/L
If 16.87 grams of nitric acid are reacted with a large amount of aluminum metal, what volume of hydrogen gas would be produced at STP?
calculate the mass of CuS produced and the concentration of H+ ion produced by bubbling H2S into 1.00 L of 0.10 M CuCl2 (aq) solution. the net ionic equation
For the reaction, calculate how many moles of the product form when 0.048 moles of O2 completely reacts. Assume that there is more than enough of the other reactant. 4Fe + 3O2 ---> 2Fe2O3
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