The sources are:
Note: 1 J = 1 W.s
$\frac{3}{2} R_{gas}$ | Monoatomic ideal gas |
$\frac{5}{2} R_{gas}$ | Diatomic molecule gas |
$\frac{6}{2} R_{gas}$ | Polyatomic molecule gas |
Gas | Formula | 0°C | 15°C | 25°C | 50°C | 75°C | 100°C |
---|---|---|---|---|---|---|---|
Air | 78%N2+21%O2+minor | 717.09 | 717.61 | 718.03 | 755.69 | 760.04 | 764.48 |
N2 | N2 | 742.91 | 743.01 | 743.16 | 743.64 | 744.45 | 745.66 |
SF6 | SF6 | 566.95 | 592.71 | 609.08 | 646.92 | 681.12 | 711.64 |
CO2 | CO2 | 632.02 | 647.38 | 657.49 | 682.15 | 705.75 | 728.18 |
CO | CO | 743.16 | 743.45 | 743.7 | 744.63 | 746.03 | 747.97 |
O2 | O2 | 655.21 | 657.02 | 658.46 | 662.7 | 667.89 | 673.92 |
H2 | H2 | 10070.4 | 10140.9 | 10179.6 | 10253 | 10302 | 10333 |
NH3 | NH3 | 1642.1 | 1640.7 | 1644.8 | 1666.4 | 1699.1 | 1738.6 |
SO2 | SO2 | 516.14 | 512.3 | 512.46 | 518.07 | 527.61 | 538.85 |
He | He | 3116.0 | 3116.0 | 3116.0 | 3116.0 | 3116.0 | 3116.0 |
Ar | Ar | 312.43 | 312.41 | 312.38 | 312.35 | 312.33 | 312.31 |
Kr | Kr | 149.11 | 149.05 | 149.02 | 148.98 | 148.95 | 148.92 |
Xe | Xe | 95.651 | 95.514 | 95.445 | 95.312 | 95.227 | 95.17 |
Ne | Ne | 618.14 | 618.14 | 618.09 | 618.13 | 618.13 | 618.12 |