Cobalt Oxide (Co3O4) Co3O4(cr) T(K) Cp S -[G-H(Tr)]/T H-H(Tr) delta-f H delta-f G log Kf 0 0. 0. INFINITE -17.968 -896.309 -896.309 INFINITE 100 34.368 31.487 198.112 -16.663 -902.377 -868.560 453.689 200 87.595 72.039 124.547 -10.501 -907.767 -832.428 217.408 298.15 123.051 114.286 114.286 0. -910.020 -794.871 139.258 300 123.512 115.049 114.289 0.228 -910.038 -794.157 138.275 400 142.666 153.657 119.423 13.694 -910.220 -755.468 98.654 500 152.850 186.590 129.647 28.471 -909.774 -716.825 74.886 600 162.808 215.325 141.580 44.247 -908.999 -678.302 59.051 700 173.628 241.224 153.992 61.062 -907.802 -639.941 47.753 800 185.272 265.161 166.410 79.001 -907.337 -601.601 39.280 900 197.552 287.688 178.645 98.139 -905.043 -563.516 32.706 1000 210.296 309.158 190.630 118.528 -902.293 -525.712 27.460 1100 223.384 329.814 202.350 140.210 -899.139 -488.203 23.183 1200 236.727 349.821 213.809 163.214 -895.639 -450.998 19.631 1300 250.262 369.303 225.024 187.562 -892.206 -414.087 16.638 1400 263.943 388.349 236.012 213.272 -889.197 -377.422 14.082 1500 277.742 407.029 246.793 240.355 -881.838 -341.108 11.878