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6 Constantes de Equilíbrio (Moran & Shapiro)

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Tables in SI Units 765
TABLE A-27 Logarithms to the Base 10 of the Equilibrium Constant K
log10 K
Temp. H2O wx H2O wx CO2 wx CO2 � H2 wx Temp.
K H2 wx 2H O2 wx 2O N2 wx 2N wx NO H2 � OH � CO � CO � H2O �R
298 �71.224 �81.208 �159.600 �15.171 �40.048 �46.054 �45.066 �5.018 537
500 �40.316 �45.880 �92.672 �8.783 �22.886 �26.130 �25.025 �2.139 900
1000 �17.292 �19.614 �43.056 �4.062 �10.062 �11.280 �10.221 �0.159 1800
1200 �13.414 �15.208 �34.754 �3.275 �7.899 �8.811 �7.764 �0.135 2160
1400 �10.630 �12.054 �28.812 �2.712 �6.347 �7.021 �6.014 �0.333 2520
1600 �8.532 �9.684 �24.350 �2.290 �5.180 �5.677 �4.706 �0.474 2880
1700 �7.666 �8.706 �22.512 �2.116 �4.699 �5.124 �4.169 �0.530 3060
1800 �6.896 �7.836 �20.874 �1.962 �4.270 �4.613 �3.693 �0.577 3240
1900 �6.204 �7.058 �19.410 �1.823 �3.886 �4.190 �3.267 �0.619 3420
2000 �5.580 �6.356 �18.092 �1.699 �3.540 �3.776 �2.884 �0.656 3600
2100 �5.016 �5.720 �16.898 �1.586 �3.227 �3.434 �2.539 �0.688 3780
2200 �4.502 �5.142 �15.810 �1.484 �2.942 �3.091 �2.226 �0.716 3960
2300 �4.032 �4.614 �14.818 �1.391 �2.682 �2.809 �1.940 �0.742 4140
2400 �3.600 �4.130 �13.908 �1.305 �2.443 �2.520 �1.679 �0.764 4320
2500 �3.202 �3.684 �13.070 �1.227 �2.224 �2.270 �1.440 �0.784 4500
2600 �2.836 �3.272 �12.298 �1.154 �2.021 �2.038 �1.219 �0.802 4680
2700 �2.494 �2.892 �11.580 �1.087 �1.833 �1.823 �1.015 �0.818 4860
2800 �2.178 �2.536 �10.914 �1.025 �1.658 �1.624 �0.825 �0.833 5040
2900 �1.882 �2.206 �10.294 �0.967 �1.495 �1.438 �0.649 �0.846 5220
3000 �1.606 �1.898 �9.716 �0.913 �1.343 �1.265 �0.485 �0.858 5400
3100 �1.348 �1.610 �9.174 �0.863 �1.201 �1.103 �0.332 �0.869 5580
3200 �1.106 �1.340 �8.664 �0.815 �1.067 �0.951 �0.189 �0.878 5760
3300 �0.878 �1.086 �8.186 �0.771 �0.942 �0.809 �0.054 �0.888 5940
3400 �0.664 �0.846 �7.736 �0.729 �0.824 �0.674 �0.071 �0.895 6120
3500 �0.462 �0.620 �7.312 �0.690 �0.712 �0.547 �0.190 �0.902 6300
Source: Based on data from the JANAF Thermochemical Tables, NSRDS-NBS-37, 1971.
1
2O2
1
2H2
1
2O2
1
2O2 �
1
2N2
Ta
bl
e 
A
-2
7

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