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A solution is prepared by dissolving 1.50 g of compound in 25.0 mL H20 at 25 degrees Celsius. The boiling point of the solution is 100.45 degrees Celsius.
a) What is the molar mass of the compound if it is non-volatile nonelectrolyte and the solution behaves ideally? (d of H20 at 25 degrees Celsius = 0.997 g/mL)
b) Independent conductivity measurements indicate that the compound is actually ionic with general formula AB2 or A2B. What is the molar mass of the compound if the solution behaves ideally?
c) Compositional analysis indicates an empirical formula of CaN206. Calculate the van't Hoff factor i for this solution.
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A buffer is made by dissolving H3PO4 and NaH2PO4 in water. Write and equation that shows how this buffer neutralizes added bases.
Octane is a liquid component of gasoline. Given the following vapor pressures of octane at various temperatures,estimate the boiling point of octane in Leadville, Colorado, where the atmospheric pressure is 496 mmHg.
Nitrobenzene, C6H5NO2, an important raw material for the dye industry, is prepared from benzene, C6H6, and nitric acid. When 22.4g of benzene and an excess of HNO3
In a separate experiment, it was found that, for fixed temperature and pressure, a 0.100 L sample of this compound takes 1.73 times longer to effuse than does a 0.100 L sample of Ar(g). What is the molecular formula of the compound? , draw possibl..
A mixture of 6.00 g He and 22.0 g Ne has a pressure of 530. mm Hg. What is the partial pressure of each of the gases?
Draw the major isomer of 4-methylbenzaldehyde and benzyltriphenyl phosphonium chloride at room temperature mixed with NaOH
For a particular reaction, deltaH is -93.8kJ and deltaS is -156.1 J/K. Assuming these values change very little with temperature, over what temperature range is the reaction spontaneous in the forward direction?
Carbon monoxide and chlorine combine in an equilibrium reation to produce the highly toxic product phosgene. CO + Cl2 COCl2. If the equilibrium constant for the reaction Kc = 248
Heptane can appear harmless, but when ignited, it explodes violently. What is the first law of thermodynamic?
what two cofactors are required for oxidation of fatty acids with an odd number of carbon atoms that are not required
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