Hydrogen Peroxide (HOOH) H2O2(g) T(K) Cp S -[G-H(Tr)]/T H-H(Tr) delta-f H delta-f G log Kf 0 0. 0. INFINITE -10.853 -129.808 -129.808 INFINITE 100 33.526 186.540 261.768 -7.523 -132.382 -123.632 64.579 200 36.874 210.632 228.978 -3.669 -134.133 -113.680 29.690 298.15 43.116 232.991 232.991 0. -136.106 -105.445 18.474 300 43.221 233.258 232.992 0.080 -136.133 -105.255 18.326 400 48.451 246.435 234.753 4.673 -137.417 -94.757 12.374 500 52.551 257.705 238.243 9.731 -138.341 -83.978 8.773 600 55.689 267.576 242.326 15.150 -139.011 -73.039 6.359 700 57.990 276.339 246.571 20.838 -139.515 -62.002 4.627 800 59.831 284.205 250.792 26.731 -139.912 -50.901 3.324 900 61.463 291.349 254.908 32.797 -140.225 -39.755 2.307 1000 62.844 297.897 258.884 39.013 -140.475 -28.578 1.493 1100 64.141 303.949 262.709 45.364 -140.673 -17.378 0.825 1200 65.312 309.580 266.383 51.837 -140.827 -6.162 0.268 1300 66.400 314.852 269.911 58.423 -140.944 5.065 -0.203 1400 67.404 319.810 273.300 65.114 -141.031 16.299 -0.608 1500 68.325 324.492 276.558 71.901 -141.093 27.539 -0.959