Lead, Ion (Pb+) Pb1+(g) T(K) Cp S -[G-H(Tr)]/T H-H(Tr) delta-f H delta-f G log Kf 0 0. 0. INFINITE -6.197 911.480 100 20.786 158.430 199.618 -4.119 200 20.786 172.838 183.039 -2.040 250 20.786 177.476 181.480 -1.001 298.15 20.786 181.137 181.137 0. 916.996 876.051 -153.481 300 20.786 181.266 181.138 0.038 917.024 875.797 -152.490 350 20.786 184.470 181.391 1.078 917.749 868.868 -129.672 400 20.786 187.246 181.953 2.117 918.452 861.837 -112.544 450 20.786 189.694 182.680 3.156 919.134 854.719 -99.213 500 20.786 191.884 183.493 4.196 919.795 847.526 -88.540 600 20.786 195.674 185.217 6.274 921.064 832.952 -72.515 700 20.786 198.878 186.945 8.353 917.399 818.970 -61.112 800 20.786 201.653 188.614 10.431 918.539 804.831 -52.550 900 20.786 204.102 190.202 12.510 919.711 790.547 -45.882 1000 20.786 206.292 191.703 14.589 920.913 776.132 -40.541 1100 20.786 208.273 193.121 16.667 922.146 761.594 -36.165 1200 20.786 210.081 194.460 18.746 923.409 746.943 -32.514 1300 20.787 211.745 195.726 20.825 924.696 732.185 -29.420 1400 20.788 213.286 196.926 22.903 925.991 717.328 -26.764 1500 20.790 214.720 198.065 24.982 927.284 702.379 -24.459 1600 20.794 216.062 199.149 27.061 928.569 687.343 -22.439 1700 20.802 217.323 200.181 29.141 929.842 672.228 -20.655 1800 20.813 218.512 201.167 31.222 931.100 657.037 -19.067 1900 20.830 219.638 202.109 33.304 932.340 641.778 -17.644 2000 20.854 220.707 203.013 35.388 933.563 626.453 -16.361 2100 20.886 221.725 203.880 37.475 757.547 618.183 -15.376 2200 20.927 222.698 204.713 39.566 759.123 611.510 -14.519 2300 20.979 223.629 205.516 41.661 760.616 604.766 -13.735 2400 21.041 224.523 206.289 43.762 762.024 597.960 -13.014 2500 21.116 225.383 207.036 45.870 763.347 591.096 -12.350 2600 21.202 226.213 207.757 47.985 764.588 584.181 -11.736 2700 21.301 227.015 208.456 50.110 765.751 577.220 -11.167 2800 21.411 227.792 209.133 52.246 766.839 570.217 -10.638 2900 21.534 228.545 209.789 54.393 767.858 563.177 -10.144 3000 21.667 229.278 210.427 56.553 768.816 556.103 -9.683 3100 21.811 229.990 211.046 58.727 769.719 548.997 -9.251 3200 21.964 230.685 211.649 60.915 770.576 541.863 -8.845 3300 22.126 231.364 212.236 63.120 771.392 534.703 -8.464 3400 22.296 232.027 212.809 65.341 772.178 527.519 -8.104 3500 22.472 232.675 213.367 67.579 772.939 520.312 -7.765 3600 22.653 233.311 213.912 69.835 773.684 513.084 -7.445 3700 22.839 233.934 214.445 72.110 774.420 505.834 -7.141 3800 23.029 234.546 214.966 74.403 775.152 498.566 -6.853 3900 23.220 235.146 215.476 76.716 775.888 491.277 -6.580 4000 23.413 235.737 215.975 79.048 776.632 483.970 -6.320 4100 23.606 236.317 216.464 81.398 777.389 476.644 -6.073 4200 23.798 236.888 216.944 83.769 778.164 469.300 -5.837 4300 23.989 237.451 217.414 86.158 778.960 461.937 -5.611 4400 24.177 238.004 217.876 88.566 779.782 454.554 -5.396 4500 24.362 238.550 218.329 90.993 780.630 447.153 -5.190 4600 24.543 239.087 218.774 93.439 781.508 439.733 -4.993 4700 24.720 239.617 219.212 95.902 782.418 432.294 -4.804 4800 24.892 240.139 219.643 98.383 783.360 424.834 -4.623 4900 25.059 240.654 220.066 100.880 784.335 417.355 -4.449 5000 25.220 241.162 220.483 103.394 785.344 409.855 -4.282 5100 25.375 241.663 220.894 105.924 786.388 402.335 -4.121 5200 25.523 242.157 221.298 108.469 787.465 394.794 -3.966 5300 25.665 242.645 221.696 111.028 788.576 387.232 -3.816 5400 25.800 243.126 222.088 113.602 789.720 379.649 -3.672 5500 25.928 243.600 222.475 116.188 790.896 372.045 -3.533 5600 26.049 244.069 222.857 118.787 792.103 364.418 -3.399 5700 26.164 244.531 223.233 121.398 793.340 356.770 -3.269 5800 26.271 244.987 223.604 124.020 794.606 349.100 -3.144 5900 26.371 245.437 223.970 126.652 795.900 341.408 -3.023 6000 26.465 245.881 224.332 129.294 797.219 333.693 -2.905