One of the major factors influencing seasonal ozone loss in the Antarctic winter is the dimerization of ClO in the stratosphere. The equilibrium constant (K) for the reaction 2 ClO(g) → (CIO)2 (g) at different temperatures is shown below. (Data obtained from Nature 332, 796 (1988)). You may use Excel for finding a fitted linear function. T (K) K 233 4.13 ×108 248 5.00 ×107 258 1.45 ×107 268 5.37 ×106 273 3.20 ×106 280 9.62 ×105 288 4.28 ×105 295 1.67 ×105 303 7.02 ×104 a) Determine the standard enthalpy and standard entropy of this reaction. b) Calculate the standard enthalpy of formation and the standard molar entropy of (CIO)2 given that AH°(CIO) = 101.8 kJ/mol and AS (CIO) = 226.6 J/molk

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