# Problem: Using data from Appendix C in the textbook, write the equilibrium-constant expression and calculate the value of the equilibrium constant and the free-energy change for these reactions at 298 K .2SO2(g) + O2(g)  ⇌  2SO3(g)Calculate the value of the equilibrium constant.

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Using data from Appendix C in the textbook, write the equilibrium-constant expression and calculate the value of the equilibrium constant and the free-energy change for these reactions at 298 K .

2SO2(g) + O2(g)  ⇌  2SO3(g)

Calculate the value of the equilibrium constant.