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The Gibb's Free Energy (AG) can be used to determine if a reaction is spontaneous as written. It is calculated from two factors, enthalpy

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The Gibb's Free Energy (AG) can be used to determine if a reaction is spontaneous as written. It is calculated from two factors, enthalpy and entropy. A. (6) Briefly describe what enthalpy and entropy are and what conditions of each favor a spontaneous reaction. B. (6) Calculate AG for the following reaction. Thermodynamic data are given below the substance. @ 25C 2HNO3(aq) + NO(g) -> 3NO2(g) + H2O(l) , -210 90 30 -290 kJ/mol AG, -110 88 50 -240 kJ/mol S, 150 210 240 70 J/mol-K D. (10) Calculate AG for the same reaction at 700C. E. (2) Is this reaction spontaneous at 700C? No explanation needed. F. (10) Calculate the value of the equilibrium constant at 25C. G. (10) Calculate AG at 25C for the same reaction if the concentrations/pressures of each species in the reaction are the values given in the table below. HNO3(aq) NO(g) 1.2M 0.50 atm NO2(g) 0.81 atm

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