_____________________________________________ T Cp S delta-Hf _____ ________________ ________ K cal/mol K kcal/mol _____________________________________________ 300 9.08 54.66 3.88 400 10.79 57.51 3.23 500 12.43 60.10 2.66 600 13.98 62.50 2.18 700 15.38 64.76 1.79 800 16.63 66.90 1.47 900 17.70 68.92 1.23 1000 18.60 70.84 1.05 1100 19.29 72.64 .91 1200 19.93 74.35 .81 1300 20.51 75.97 .74 1400 21.04 77.51 .69 1500 21.51 78.98 .67 1600 21.94 80.38 .66 1700 22.33 81.72 .68 1800 22.68 83.01 .70 1900 22.99 84.24 .73 2000 23.26 85.43 .78 2100 23.51 86.57 .82 2200 23.72 87.67 .87 2300 23.91 88.73 .93 2400 24.07 89.75 .98 2500 24.21 90.73 1.03 2600 24.34 91.68 1.08 2700 24.44 92.60 1.12 2800 24.53 93.50 1.17 2900 24.61 94.36 1.20 3000 24.67 95.19 1.23