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Benzene and toluene form nearly ideal solutions. At a certain temperature the vapor pressure of the pure benzene is 150 mm of Hg as well as that of pure toulene is 50 mm of hg. For this temperature, compute the vapor pressure of the solution containing equal weights of two substances.
which gas sample contains the largest number of mole?
5 ml of 0.05 M CuSO4 solution was mixed with 5 ml of 3 M NH3 solution.Calculate [Cu2+] in equilibrium with Cu(NH3)4^2+. Experimentally the cell potential was found to be 0.387
What are the n and l quantum numbers of the electron removed when Bi is ionized to Bi+ and would you expect element 115 to have ionization energy greater than, equal to, or less than that of bismuth? Explain.
Write the balanced complete ionic equations and net ionic equations for the reactions that occur when each of the following solutions are mixed. AgNO3(aq) and K2SO4(aq)
a 50 ml solution containing 0.10 m 1-naphtoic acid pkanbsp 3.70 and 0.15 m arsenic acid pka1nbsp 2.24 pka2nbsp 6.96 is
A solution is prepared by dissolving 11.60g of a mixture of sodium carbonate and sodium bicarbonate in 1.00 L of water. A 300.0-cm^3 sample of the solution is then treated with excess HNO3 and boiled to remove all the dissolved gas.
Calculate the molecular weight of the white solid. Balance equation (3) for the general case of CxHyOz
If 2 atoms of silver metal react with 1 molecule of fluorine gas at constant pressure, 2 formula units of solid sodium fluoride are produced and 409.2 kJ of heat is released.
The only two accessible conformations of a protein differ by 2kJ/mol. What percentage of protein molecules will be in the higher energy state at 350K? at 270K
a 175.0g sample of a compound contains 56.15g C, 9.43g H, 74.81g O, 13.11g N, and 21.49g Na. What is the compound's empirical formula?
Construct a delta H and delta S table, including the four possibilities associated with the two possible signs for each of delta H and delta S. Discuss the resulting sign of delta G and the spontaneity of the process.
Which is predicted to be the most ionic substance?
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