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Find out the concentrations of MgCl2, Mg2 and Cl- in a solution prepared by dissolving 1.68 × 10-4 g MgCl2 in 2.50 L of water. Express all three concentrations in molarity. In addition, express the concentrations of the ionic species in parts per million (ppm).
Separation of acetone from water by using MIBK - How much MIBK must be used if the final acetone concentration in the water-rich phase is 5 wt%?
if you use a one liter bottle of oil in your engine determine how much heat is produced in kcal the density of motor
Triethylamine, (ch3ch2)3n, is a liquid that boils at 89C and has a viscosity of about 4 x10^-4 kg/ms. Explain the differences in properties of these two componds.
Beakers 1 through 4 contain 2.3, 1.91, 5.985, and 0.52 g of dry potassium nitrate respectively. How many moles of potassium nitrate were recovered after the water evaporated
What is the mole fraction of benzene in the vapor above the solution described in part (a)
A mixture of cis and trans GKW was analyzed using UV-Vis spectroscopy to make absorption measurements at two different wavelenghts. From the data given below, calculate the molar concentrations of the cis and trans isomers
When the optically active compound V (c5h11br) is heated with an ethanolic solution of potassium hydroxide, the major product is the alkene W and the minor product is another alkene, X.
Explain what major respect is NO2 a more important species than SO2 in terms of participation in atmospheric chemical reactions
This aqueous solution is extracted with 5.0mL of hexane. Separation as well as analysis of the aqueous phase shows that it now contains 12mg of the organic compound. Compute the partition coefficient for the compound.
Use the above simulation results for methane in pure water, combined with the Widom theorem to predict the Gibbs energy of solvation of methane in pure water and compare your result with methane's experimental hydration Gibbs energy of 8.4 kJ/mol?
Rubidium has two stable isotopes, 85Rb and 87Rb. The 87Rb isotope has a natural abundance of 27.83% and an atomic mass of 86.909183 amu. Calculate the percent abundance and atomic mass of the 85Rb isotope.
The following processes occur in an internal combustion engine. For which one is the entropy change negative
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