Dear Charles,
Hydrogen Vapor Heat Capacity
Peng-Robinson EOS
Pressure = 214.7 psia
Temperature - °F Heat Capacity - BTU/lb-°F
-441.686200 4.485670
-405.686200 3.882314
-369.686200 3.278958
-333.686200 3.221542
-297.686200 3.222957
-261.686200 3.239548
-225.686200 3.260635
-189.686200 3.282571
-153.686200 3.303894
-117.686200 3.323979
-81.686200 3.342566
-45.686200 3.359567
-9.686200 3.374985
26.313800 3.388870
62.313800 3.401298
98.313800 3.412361
134.313800 3.422155
170.313800 3.430783
206.313800 3.438346
242.313800 3.444946
278.313800 3.450684
314.313800 3.455656
350.313800 3.459957
386.313800 3.463679
422.313800 3.466909
458.313800 3.469732
494.313800 3.472230
530.313800 3.474478
566.313800 3.476551
602.313800 3.478517
638.313800 3.480442
674.313800 3.482388
710.313800 3.484413
746.313800 3.486569
782.313800 3.488908
818.313800 3.491474
854.313800 3.494310
890.313800 3.497454
926.313800 3.500939
962.313800 3.504795
998.313800 3.509049
1034.313800 3.513721
1070.313800 3.518832
1106.313800 3.524393
1142.313800 3.530416
1178.313800 3.536906
1214.313800 3.543865
1250.313800 3.551292
1286.313800 3.559180
1322.313800 3.567519
Regards,
Gunnar