Copper Oxide (Cu2O) Cu2O1(l) T(K) Cp S -[G-H(Tr)]/T H-H(Tr) delta-f H delta-f G log Kf 0 100 200 298.15 62.542 129.957 129.957 0. -111.995 -100.384 17.587 300 62.664 130.345 129.959 0.116 -111.997 -100.312 17.466 400 67.688 149.128 132.486 6.657 -111.929 -96.419 12.591 500 70.922 164.598 137.407 13.596 -111.651 -92.570 9.671 600 73.448 177.758 143.062 20.818 -111.249 -88.791 7.730 700 75.645 189.249 148.857 28.274 -110.767 -85.085 6.349 800 77.666 199.483 154.557 35.941 -110.217 -81.452 5.318 900 79.493 208.739 160.071 43.801 -109.613 -77.893 4.521 1000 81.245 217.203 165.367 51.837 -108.976 -74.402 3.886 1000.000 81.245 217.203 165.367 51.837 GLASS <--> LIQUID + 1000.000 99.914 217.203 165.367 51.837 TRANSITION 1100 99.914 226.726 170.519 61.828 -106.550 -71.064 3.375 1200 99.914 235.420 175.570 71.819 -104.323 -67.938 2.957 1300 99.914 243.417 180.486 81.811 -102.380 -64.987 2.611 1400 99.914 250.822 185.249 91.802 -127.026 -61.360 2.289 1500 99.914 257.715 189.853 101.794 -125.424 -56.725 1.975 1516.700 99.914 258.821 190.606 103.462 CRYSTAL <--> LIQUID 1600 99.914 264.163 194.298 111.785 123.836 52.197 1.704 1700 99.914 270.220 198.587 121.776 -122.259 -47.768 1.468 1800 99.914 275.931 202.727 131.768 -120.694 -43.431 1.260 1900 99.914 281.333 206.723 141.759 -119.142 -39.181 1.077 2000 99.914 286.458 210.583 151.751 -117.600 -35.013 0.914