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A Thermodynamics finds that the enthalpy of formation of ozone O3 (g) at 500 C° and 140 kJ mol-1. What is the value of the enthalpy of formation at 298 K? The heat capacity of ozone is 39.2J K-1 mol-1A Thermodynamics finds that the enthalpy of formation of ozone O3 (g) at 500 C° and 140 kJ mol-1. What is the value of the enthalpy of formation at 298 K? The heat capacity of ozone is 39.2J K-1 mol-1.

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