Хром и его соединения

Отрицательный ион триоксида хрома CrO3-(г)
Класс точности
6-F

Отрицательный ион триоксида хрома CrO3-(г)

Таблица 879
CRO3-=CR+3O+E      DrH°  =  1794.281 кДж × моль-1
T C°p (T)  (T) S° (T) H° (T)  -  H° (0) lg K° (T) T
K Дж × K-1 × моль-1 кДж × моль-1 K
298.150
300.000
400.000
500.000
600.000
700.000
800.000
900.000
1000.000
1100.000
1200.000
1300.000
1400.000
1500.000
1600.000
1700.000
1800.000
1900.000
2000.000
2100.000
2200.000
2300.000
2400.000
2500.000
2600.000
2700.000
2800.000
2900.000
3000.000
3100.000
3200.000
3300.000
3400.000
3500.000
3600.000
3700.000
3800.000
3900.000
4000.000
4100.000
4200.000
4300.000
4400.000
4500.000
4600.000
4700.000
4800.000
4900.000
5000.000
5100.000
5200.000
5300.000
5400.000
5500.000
5600.000
5700.000
5800.000
5900.000
6000.000
61.154
61.282
67.227
71.418
74.294
76.289
77.706
78.740
79.512
80.104
80.568
80.941
81.248
81.510
81.739
81.946
82.139
82.324
82.503
82.680
82.857
83.034
83.211
83.390
83.567
83.745
83.920
84.094
84.265
84.433
84.596
84.755
84.908
85.055
85.196
85.330
85.458
85.579
85.693
85.799
85.899
85.992
86.078
86.157
86.230
86.297
86.357
86.411
86.459
86.503
86.541
86.574
86.603
86.626
86.646
86.662
86.674
86.682
86.687
242.993
243.294
257.874
270.001
280.474
289.729
298.036
305.578
312.488
318.865
324.787
330.315
335.499
340.378
344.987
349.355
353.505
357.459
361.234
364.846
368.309
371.635
374.833
377.915
380.888
383.760
386.537
389.227
391.833
394.362
396.818
399.206
401.528
403.790
405.993
408.141
410.236
412.282
414.280
416.234
418.143
420.012
421.841
423.633
425.388
427.109
428.795
430.450
432.074
433.668
435.233
436.771
438.282
439.767
441.228
442.664
444.077
445.467
446.836
291.691
292.070
310.558
326.039
339.330
350.942
361.226
370.442
378.779
386.387
393.377
399.841
405.851
411.466
416.734
421.696
426.385
430.831
435.058
439.088
442.938
446.626
450.163
453.564
456.838
459.995
463.044
465.992
468.845
471.611
474.294
476.900
479.432
481.896
484.294
486.630
488.907
491.129
493.297
495.414
497.483
499.505
501.483
503.418
505.313
507.168
508.986
510.767
512.513
514.226
515.906
517.554
519.173
520.762
522.323
523.857
525.364
526.846
528.303
14.519
14.633
21.074
28.019
35.314
42.849
50.552
58.377
66.291
74.274
82.308
90.384
98.494
106.632
114.795
122.979
131.184
139.407
147.648
155.907
164.184
172.479
180.791
189.121
197.469
205.835
214.218
222.619
231.036
239.472
247.923
256.391
264.874
273.372
281.885
290.411
298.951
307.502
316.066
324.641
333.225
341.820
350.424
359.035
367.655
376.282
384.914
393.553
402.196
410.845
419.497
428.152
436.812
445.472
454.137
462.802
471.468
480.136
488.804
-297.3347
-295.3767
-216.3997
-168.9099
-137.1901
-114.4946
-97.4463
-84.1669
-73.5285
-64.8125
-57.5395
-51.3774
-46.0889
-41.4996
-37.4788
-33.9265
-30.7649
-27.9323
-25.3795
-23.0668
-20.9614
-19.0363
-17.2692
-15.6410
-14.1359
-12.7401
-11.4421
-10.2317
-9.1002
-8.0400
-7.0445
-6.1077
-5.2246
-4.3906
-3.6016
-2.8539
-2.1444
-1.4701
-.8283
-.2168
   .3667
   .9241
1.4572
1.9675
2.4566
2.9259
3.3765
3.8096
4.2262
4.6273
5.0139
5.3867
5.7465
6.0940
6.4298
6.7547
7.0691
7.3736
7.6687
298.150
300.000
400.000
500.000
600.000
700.000
800.000
900.000
1000.000
1100.000
1200.000
1300.000
1400.000
1500.000
1600.000
1700.000
1800.000
1900.000
2000.000
2100.000
2200.000
2300.000
2400.000
2500.000
2600.000
2700.000
2800.000
2900.000
3000.000
3100.000
3200.000
3300.000
3400.000
3500.000
3600.000
3700.000
3800.000
3900.000
4000.000
4100.000
4200.000
4300.000
4400.000
4500.000
4600.000
4700.000
4800.000
4900.000
5000.000
5100.000
5200.000
5300.000
5400.000
5500.000
5600.000
5700.000
5800.000
5900.000
6000.000

M = 99.99474858
DH° (0)  =  -659.543 кДж × моль-1
DH° (298.15 K)  =  -668.291 кДж × моль-1
S°яд  =  6.521 Дж × K-1 × моль-1

(T)  =  407.321594238 + 53.6550064087 lnx - 0.00294175744057 x-2 + 0.573007822037 x-1 + 297.40625 x - 743.721435547 x2 + 972.319824219 x3
(x = T ×10-4;   298.15  <  T <   1500.00 K)

(T)  =  475.729614258 + 76.4419250488 lnx + 0.0081034693867 x-2 + 1.03878712654 x-1 + 16.4589118958 x - 3.75273036957 x2 - 0.572804331779 x3
(x = T ×10-4;   1500.00  <  T <   6000.00 K)

17.06.10