Boron Oxide (B2O3) B2O3(cr,l)
 
Enthalpy Reference Temperature = Tr = 298.15 K Standard State Pressure = p° = 0.1 MPa
  J·K-1 mol-1 kJ·mol-1  
T/K Cp° S° -[G°-H°(Tr)]/T H-H°(Tr) fH° fG° log Kf
0 0. 0. INFINITE -9.293 -1265.776 -1265.776 INFINITE
100 20.740 10.983 96.353 -8.537 -1269.425 -1244.466 650.042
200 43.844 32.869 59.093 -5.245 -1271.165 -1218.726 318.299
 
298.15 62.588 53.953 53.953 0. -1271.936 -1192.796 208.973
 
300 62.927 54.341 53.954 0.116 -1271.944 -1192.305 207.599
400 77.948 74.600 56.614 7.194 -1272.047 -1165.729 152.229
500 89.287 93.269 62.105 15.582 -1271.710 -1139.180 119.009
 
600 98.115 110.360 68.744 24.969 -1271.024 -1112.733 96.872
700 105.228 126.039 75.825 35.149 -1270.036 -1086.426 81.070
 
723.000 106.692 129.464 77.477 37.587 CRYSTAL <--> LIQUID
723.000 129.704 162.757 77.477 61.657 TRANSITION
 
800 129.704 175.883 86.328 71.644 -1243.112 -1062.927 69.402
900 129.704 191.160 97.144 84.615 -1240.014 -1040.593 60.394
1000 129.704 204.826 107.241 97.585 -1237.160 -1018.590 53.206
 
1100 129.704 217.188 116.683 110.556 -1234.514 -996.863 47.337
1200 129.704 228.474 125.535 123.526 -1232.044 -975.368 42.457
1300 129.704 238.855 133.858 136.496 -1229.732 -954.074 38.335
1400 129.704 248.468 141.706 149.467 -1227.561 -932.951 34.809
1500 129.704 257.416 149.125 162.437 -1225.521 -911.980 31.758
 
1600 129.704 265.787 156.157 175.408 -1223.604 -891.141 29.093
1700 129.704 273.650 162.840 188.378 -1221.804 -870.417 26.745
1800 129.704 281.064 169.204 201.348 -1220.116 -849.797 24.660
1900 129.704 288.077 175.277 214.319 -1218.538 -829.267 22.798
2000 129.704 294.730 181.085 227.289 -1217.066 -808.818 21.124
 
2100 129.704 301.058 186.649 240.260 -1215.699 -788.439 19.611
2200 129.704 307.092 191.987 253.230 -1214.435 -768.123 18.238
2300 129.704 312.857 197.118 266.200 -1213.272 -747.863 16.985
2400 129.704 318.378 202.056 279.171 -1312.728 -725.514 15.790
2500 129.704 323.672 206.816 292.141 -1311.920 -701.063 14.648
 
2600 129.704 328.759 211.409 305.112 -1311.144 -676.644 13.594
2700 129.704 333.654 215.846 318.082 -1310.400 -652.254 12.619
2800 129.704 338.372 220.139 331.052 -1309.686 -627.891 11.713
2900 129.704 342.923 224.294 344.023 -1309.002 -603.555 10.871
3000 129.704 347.320 228.322 356.993 -1308.347 -579.240 10.085
 
PREVIOUS: CURRENT: June 1971
 
Boron Oxide (B2O3) B2O3(cr,l)

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