Unformatted text preview: a = c, where is the activity coefficient. In nonideal solutions, Q is defined by the activity. Thus, the calculation in parts (a) and (b) will provide only activity ratio. In dilute solutions, activity ratio = concentration ratio. In nonideal solutions, activity ratio = ratio of c, from which you can determine if the concentration ratio is greater or less than the activity ratio. 4.5. None. 4.8. In nonideal solutions, use only activity in Q and K. Treat it mathematically the same as the concentration in all your calculations. (c) Assume the solution is dilute (since c = 0.1 M). Thus, a = c. (e) The ratio of K at different temperatures is related to the enthalpy of reaction (see your notes). 4.9. None....
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 Fall '07
 YUAN
 Thermodynamics, Enthalpy

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