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The gas phase dimerization reaction 2 NO2 = N2O4 has an equilibrium constant of Kc = 4.72 at 373 K (when all concentrations are measured in M units).
a) What is delta G o for this reaction?
b) At what reactant and product concentration is the reaction free energy equal to delta G o?
c) Use the quadratic equation to obtain an expression for [NO2] as a function of the total nitrogen concentration [N]T = [NO2] + 2[N2O4], and plot both [NO2] and [N2O4] as functions of [N]T (over a range of 0 < [N]T < 1).
d) How is [NO2] related to Kc when [NO2] = [N2O4], and what is the value [N]T at this point?
e) The reaction 2 H = H2 has an equilibrium constant of Kc = 5E-14 at 1000 K. At what total hydrogen concentration [H]T will the equilibrium concentration if atomic hydrogen [H] be equal to that of diatomic hydrogen [H2]?
Calculate the quantity of NH3 is produced upon reaction of 4.0 moles of water and 65.0 g of CaCN2.
The molar heat of fusion of water is 6.01 kj/mol. How much heat energy is required to melt one ice cube in a soft drink to form liquid water a 0 degree celcius, if the ice cube has a mass of 18.9 g?
When 0.0200 mol gaseous NH3 and 0.0180 mol gaseous O2 are placed in a 1.00 L container at a certain temperature, the N2 concentration at equilibrium is 2.20Ã-10-3 M. Calculate Keq for the reaction at this temperature.
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A chemist wants to make 6.5 L of a 0.270 M solution. What mass in grams should the chemist use?
Calculate the equilibrium concentrations of NH3 and H2S if a sample of solid NH4HS is placed in a closed vessel and decomposes until equilibrium is reached
Calculate the equilibrium constant, K, for this reaction at 298 K. (b) Will Delta G increase, decrease, or stay the same if the partial pressure of NO2 is increased? (c) Calculate Delta G^o at 298K if the partial pressure of NO2 and N2O4 are 0.40 atm..
If 405 mL of a gas at 66 degrees Celsius and 595 mm Hg weighs 1.495g, what is the molecular weight of the gas?
Calculate the equilibrium constant for the reaction of acetic acid and diethylamine. The pKa of protonated diethylamine is 10.94. What are the major forms present in a dilute soultion
likely to exhibit a stable +2 oxidation state? What are their electronic configurations
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