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Gaseous oxides of nitrogen rarely occur as pure substanced, but as equilibrium mixtures of them. One of these equilibrium mixtures is nitrogen dioxide and dinitrogen tetroxide. If the density of such a mixture is 2.3 g/l at 74 deg C and 1.3 atm, calculate the partial pressures of the gasses and Kp for the dissociation of dinitrogen tetroxide to nitrogen dioxide?
Calculate the pH of a buffer that is 0.058 M HF and 0.058 M LiF. The Ka for HF is 3.5 x 10^-4. Calculate the pH of a buffer that is 0.158 M HClO and 0.099 M NaClO. The Ka for HClO is 2.9 x 10^-8.
Using (and citing) appropriate sources, determine the energy output for E-85 (ethanol) and gasoline (octane) on a) a per mole basis
Assume the van der Waals equation of state holds for the n-propane molecule (C3H8). Find values for the constants a and b (online) and use these to calculate the density in (g ml^-1) at a temperature of 1000K and a pressure of 10 atm
An aqueous solution has a vapor pressure of 80.8mmHg at 50 degrees Celsius . The vapor pressure of pure water at this temperature is 92.6mmHg. What is the concentration of CaCl2 in mass percent
What is the longest wavelength of radiation that possesses the necessary energy to break a nitrogen-nitrogen bond
hydrogen peroxide is used as a cleaning agent in treatment of cuts and abrasions for several reasons. In the laboratory, small quantities of hydrogen peroxide can be prepared by the action of an acid on an alkaline earth metal peroxide, such as ba..
One bit of evidence that the present theory of atomic structure is "correct" lies in the magnetic properties of matter. Atoms with unpaired electrons are attracted by magnetic fields and thus are said to exhibit paramagnetism.
The reaction A->B follows first-order kinetics with a half-life of 21.7 hours. If the concentration of A is 0.023 M after 48 hours, what is the initial concentration of A?
When a charge transfer electrode reaction occurs at a very slow rate, the concnetration on the surface of the electrode is ____ than the bulk concentration.
What fragmentation would give rise to the peak at m/z 45 in the Mass Spectrum. Loss of hydroxyl group.
Define the normal boiling point of a liquid. Explain why atmospheric pressure affects boiling points of liquids.
When polymerization of a protein is complete but the protein is still completely linear, what is the highest level of structure that has been completed?
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