Tantalum, Ion (Ta+) Ta1+(g) T(K) Cp S -[G-H(Tr)]/T H-H(Tr) delta-f H delta-f G log Kf 0 0. 0. INFINITE -6.338 1542.296 100 20.787 160.112 202.703 -4.259 200 21.242 174.589 185.431 -2.168 250 22.067 179.411 183.759 -1.087 298.15 23.109 183.385 183.385 0. 1549.150 1500.584 -262.896 300 23.151 183.528 183.385 0.043 1549.185 1500.283 -261.222 350 24.256 187.181 183.671 1.228 1550.136 1492.057 -222.677 400 25.237 190.485 184.320 2.466 1551.128 1483.693 -193.750 450 26.048 193.506 185.175 3.749 1552.152 1475.203 -171.237 500 26.708 196.286 186.149 5.069 1553.200 1466.597 -153.214 600 27.734 201.251 188.262 7.793 1555.342 1449.076 -126.153 700 28.581 205.591 190.434 10.610 1557.534 1431.192 -106.797 800 29.369 209.459 192.575 13.507 1559.776 1412.991 -92.259 900 30.120 212.962 194.648 16.482 1562.074 1394.506 -80.935 1000 30.818 216.172 196.642 19.530 1564.420 1375.762 -71.862 1100 31.441 219.139 198.554 22.643 1566.802 1356.781 -64.428 1200 31.971 221.899 200.386 25.815 1569.205 1337.582 -58.223 1300 32.399 224.475 202.141 29.034 1571.619 1318.182 -52.965 1400 32.725 226.889 203.824 32.291 1574.044 1298.596 -48.451 1500 32.956 229.155 205.438 35.576 1576.481 1278.836 -44.533 1600 33.103 231.287 206.987 38.880 1578.926 1258.914 -41.099 1700 33.181 233.297 208.476 42.194 1581.365 1238.838 -38.065 1800 33.204 235.194 209.908 45.514 1583.774 1218.620 -35.363 1900 33.188 236.989 211.287 48.834 1586.133 1198.269 -32.943 2000 33.145 238.690 212.615 52.151 1588.435 1177.795 -30.761 2100 33.085 240.306 213.895 55.462 1590.680 1157.208 -28.784 2200 33.017 241.844 215.131 58.767 1592.866 1136.515 -26.984 2300 32.947 243.310 216.325 62.066 1594.989 1115.724 -25.339 2400 32.881 244.710 217.478 65.357 1597.045 1094.842 -23.829 2500 32.821 246.051 218.595 68.642 1599.028 1073.876 -22.437 2600 32.768 247.338 219.676 71.921 1600.930 1052.832 -21.152 2700 32.724 248.574 220.723 75.196 1602.742 1031.716 -19.960 2800 32.689 249.763 221.739 78.467 1604.450 1010.535 -18.852 2900 32.660 250.910 222.725 81.734 1606.042 989.296 -17.819 3000 32.639 252.016 223.683 84.999 1607.502 968.003 -16.854 3100 32.623 253.086 224.615 88.262 1608.812 946.665 -15.951 3200 32.610 254.122 225.521 91.524 1609.951 925.286 -15.104 3300 32.601 255.125 226.403 94.784 1574.442 904.346 -14.315 3400 32.594 256.098 227.262 98.044 1575.596 884.023 -13.581 3500 32.586 257.043 228.099 101.303 1576.750 863.666 -12.890 3600 32.579 257.961 228.916 104.561 1577.903 843.276 -12.236 3700 32.569 258.853 229.713 107.818 1579.055 822.853 -11.617 3800 32.558 259.722 230.492 111.075 1580.206 802.400 -11.030 3900 32.544 260.567 231.252 114.330 1581.355 781.917 -10.473 4000 32.527 261.391 231.995 117.584 1582.504 761.404 -9.943 4100 32.506 262.194 232.722 120.835 1583.650 740.862 -9.439 4200 32.482 262.977 233.433 124.085 1584.794 720.292 -8.958 4300 32.453 263.741 234.129 127.331 1585.935 699.695 -8.500 4400 32.421 264.487 234.811 130.575 1587.074 679.072 -8.062 4500 32.386 265.215 235.478 133.816 1588.209 658.423 -7.643 4600 32.347 265.926 236.132 137.052 1589.340 637.748 -7.242 4700 32.305 266.622 236.774 140.285 1590.467 617.049 -6.858 4800 32.260 267.301 237.403 143.513 1591.590 596.327 -6.489 4900 32.212 267.966 238.020 146.737 1592.708 575.580 -6.136 5000 32.163 268.616 238.625 149.955 1593.821 554.811 -5.796 5100 32.112 269.253 239.219 153.169 1594.930 534.020 -5.469 5200 32.060 269.876 239.803 156.378 1596.033 513.207 -5.155 5300 32.008 270.486 240.376 159.581 1597.131 492.373 -4.853 5400 31.955 271.084 240.939 162.779 1598.224 471.518 -4.561 5500 31.904 271.670 241.493 165.972 1599.311 450.644 -4.280 5600 31.853 272.244 242.037 169.160 1600.394 429.749 -4.009 5700 31.805 272.807 242.572 172.343 1601.471 408.835 -3.747 5800 31.758 273.360 243.098 175.521 863.789 390.703 -3.519 5900 31.715 273.903 243.615 178.695 864.644 382.539 -3.387 6000 31.675 274.435 244.125 181.864 865.451 374.361 -3.259