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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 relative proportions of two conformers A and B in a compound, assuming that an energy of 15.5 kj/mol is required
The excess is titrated with standard 0.101 M KSCN solution, requiring 2.38 mL to reach the red Fe(SCN)2+ endpoint. Calculate the concentration of chloride in the brine in g/L
suppose a can contains gas at a pressure of 755 mm Hg and a temperature of 25 degrees celsius, what would be the pressure if the can was heated to 1155 degrees celsius ?
rubidium iodide has a lattice energy of -617 kjmol while potassium bromide has a lattice energy of -671kjmol. why is
Calculate the acitivation energy for the decomposition. b) To test solubility, 0.020 mol of solid lead iodide, PbI2, is added to 0.500 L of water. after eqilibrium has been established 0.00076 mol of Pb^2+ (aq) and 0.00152 mol of I^- (aq) are pres..
what is the pH of a solution prepared by dissolving 4.5 g HCl in water to make 410 mL of solution?
3-ethylbenzoic acid Draw the molecule by placing atoms on the grid and connecting them with bonds. Include all hydrogen atoms. Draw a benzene ring with alternating single and double bonds between the carbon atoms
what is the Na+ ion concentration in the solution by mixing 20 mL of .10 M Na2SO4 solution with 50 mL of .30 M Na3PO4?
If the initial concentration of cyclopropane is 0.150 M, what will the concentration of cyclopropane be after 22.0 hours? b) What is the half-life for the conversion process?
at a temperature of 25 degree celsius and a pressure of 757 mm hg the product gas h2 is collected over h2othen
Write the equation showing the S-trans to S-cis equilibrium of the two conformations for a. (E)-1,3-pentadiene b. (Z)-1,3-pentadiene and which equilibrium will favor the s-tans conformation more strongly
Write a structural formula for two different isomers of [Co(H2O)2(en)2]Cl2. Indicate the oxidation state of the Co in each case.
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