Gaseous acetic acid molecules have a certain tendency to form dimers. (A dimer is a molecule formed
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a. If the initial pressure of CH3COOH monomer (the simpler molecule) is 7.5 × 103 atm, what are the pressures of monomer and dimer when the system comes to equilibrium? (The simpler quadratic equation is obtained by assuming that all of the acid molecules have dimerized and then some of it dissociates to monomer.)
b. Why do acetic acid molecules dimerize? What type of structure would you draw for the dimer?
c. As the temperature decreases, would you expect the percentage of dimer to increase or decrease? Why?
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