Sodium Peroxide (Na2O2) Na2O2(cr)
 
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 -15.707 -507.339 -507.339 INFINITE
100 40.689 20.882 163.515 -14.263 -511.480 -491.475 256.720
200 75.479 61.785 102.600 -8.163 -513.202 -470.583 122.904
 
298.15 89.266 94.801 94.801 0. -513.209 -449.627 78.773
 
300 89.408 95.354 94.803 0.165 -513.203 -449.233 78.218
400 97.721 122.268 98.416 9.541 -518.042 -427.560 55.834
500 103.767 144.748 105.495 19.626 -517.218 -405.020 42.312
 
600 108.445 164.093 113.687 30.244 -515.792 -382.706 33.318
700 112.332 181.108 122.127 41.287 -513.908 -360.668 26.913
 
785.000 115.253 194.149 129.230 50.961 ALPHA <--> BETA
785.000 113.596 201.451 129.230 56.694 TRANSITION
 
800 113.596 203.601 130.604 58.397 -505.952 -339.036 22.137
900 113.596 216.981 139.473 69.757 -503.773 -318.303 18.474
1000 113.596 228.949 147.833 81.117 -501.650 -297.810 15.556
 
1100 113.596 239.776 155.707 92.476 -499.616 -277.525 13.179
1200 113.596 249.660 163.130 103.836 -691.226 -252.540 10.993
1300 113.596 258.753 170.141 115.195 -687.607 -216.130 8.684
1400 113.596 267.171 176.775 126.555 -684.018 -179.997 6.716
1500 113.596 275.008 183.065 137.914 -680.457 -144.121 5.019
 
1600 113.596 282.340 189.043 149.274 -676.922 -108.480 3.542
1700 113.596 289.226 194.736 160.634 -673.412 -73.060 2.245
1800 113.596 295.719 200.168 171.993 -669.926 -37.846 1.098
1900 113.596 301.861 205.360 183.353 -666.465 -2.825 0.078
2000 113.596 307.688 210.332 194.712 -663.028 32.014 -0.836
 
2100 113.596 313.230 215.101 206.072 -659.616 66.682 -1.659
2200 113.596 318.515 219.682 217.431 -656.229 101.189 -2.403
2300 113.596 323.564 224.090 228.791 -652.869 135.542 -3.078
2400 113.596 328.399 228.336 240.150 -649.537 169.748 -3.694
2500 113.596 333.036 232.432 251.510 -646.233 203.817 -4.259
 
PREVIOUS: June 1963 CURRENT: June 1968
 
Sodium Peroxide (Na2O2) Na2O2(cr)

Download table in tab-delimited text format.