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19 Chemical Thermodynamics Solutions to Exercises In K = 10³ J/kJ 6.76876 (b) In (c) 19.82 (a) In (b) 2.4776 (c) From Solution 19.61(a), at 298 RT 2.4776 19.83 Analyze/Plan. Given a chemical reaction and thermodynamic data in Appendix C, calculate the equilibrium pressure of CO₂(g) at two temperatures. K = Calculate at the two temperatures using = TAS° and then calculate K and Solve. 597