Consider the reaction 2SO2(g) + O2(g) 2SO3(g).SubstanceHf (kJ/mol)S (J/(molK))SO3(g)–396130.58SO2(g)–297191.50O2(g)0205.00What is the Grxn of this reaction, and would it be spontaneous or nonspontaneous at 300.0 K? Use G = H – TS.

Question

Revolt · Accepted Answer

–100 kJ/mol, spontaneous

Enthalpy, Entropy, and Free Energy

Consider the reaction 2SO2(g) + O2(g) 2SO3(g).SubstanceHf (kJ/mol)S (J/(molK))SO3(g)–396130.58SO2(g)–297191.50O2(g)0205.00What is the Grxn of this reaction, and would it be spontaneous or nonspontaneous at 300.0 K? Use G = H – TS.

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