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The bond dissociation enthalpies for N2 and N2- are 945 kJ/mol and 765 kJ/mol respectively. (There is only a small difference between enthalpies and energies.) Using an argument based on MO theory, explain why N2- has a smaller bond dissociation energy than N2.
Consider an ideal gas which is allowed to expand slowly under constant temperature conditions. Derive an expression for the heat change for such a process, explaining any key stages in the derivation.
1.0 M acid and two pt electrodes connected to a voltmeter. You then add 10.00 ml of 1.00 M Fe^+2 solution to the beaker. The temperature of the solution is maintained at 25 C.(R= 8.314 coulomb V/(mol K), F= 9.64853 x 10^4 coulomb/mol)
what masses of NaCl and water are needed to prepare 1000g of a solution that is 0.90% by mass
Assuming such a situation, explain the problems that would result from the use of the equations in their present form. What modifications would you make to give accurate results when using such an unknown
If a solution is prepared by dissolving 0.500g of KCl, 0.500 g of K2S, and 0.500 g of K3PO4 in 500.0 Ml of water. Explain what is the final concentration in the final solution of
a solution is made by dissolving 1.00 moles of sodium chloride nacl in 155 grams of water. if the molal boiling point
a sample of a compound with the formula mclh2o has a mass of 0.642g. when it is heated 0.0949 g of h2o from the waters
10 mol/s of liquid benzene at 20°C and 1 bar is pumped to 5 bar. At the inlet conditions, the molar volume of benzene is 11.8 liter/mol. Estimate the outlet temperature of the benzene and the work done by the pump in kW. What assumptions have you ..
Given a buret filled with 0.12M acetic acid and a second buret filled with 0.15M sodium acetate, how many milliliters of each solution should be mixed together to produce 23.0mL of a solution with a pH of 4.73
Nitroglycerin, an explosive compound, decomposes according to the equation below? Nitroglycerin, an explosive compound, decomposes according to the equation below.
Zinc hydroxide,Zn (OH)2} Ksp = 4.1 10^{-17}, is nearly insoluble in water, but is more soluble in strong base because Zn^{2+}} forms the soluble complex ion Zn( OH )_4^{2-}} Kf = 3 10^{15}.
draw the molecular orbital diagram for o2. assuming that the 2p molecular orbital is from the 2pz atomic orbitals and
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