Sodium Hydride (NaH) H1Na1(cr) T(K) Cp S -[G-H(Tr)]/T H-H(Tr) delta-f H delta-f G log Kf 0 0. 0. INFINITE -6.259 -52.021 -52.021 INFINITE 100 17.497 11.560 66.580 -5.502 -54.103 -47.841 24.990 200 28.234 27.125 43.108 -3.197 -55.600 -40.945 10.694 298.15 36.392 40.016 40.016 0. -56.442 -33.551 5.878 300 36.535 40.241 40.016 0.067 -56.454 -33.408 5.817 400 42.468 51.636 41.530 4.043 -59.553 -25.444 3.323 500 47.154 61.637 44.571 8.533 -59.625 -16.897 1.765 600 50.710 70.557 48.172 13.431 -59.208 -8.384 0.730 700 53.723 78.609 51.955 18.658 -58.402 0.028 -0.002 800 56.066 85.940 55.751 24.151 -57.294 8.303 -0.542 900 57.948 92.657 59.484 29.855 -55.965 16.425 -0.953 1000 59.413 98.840 63.115 35.725 -54.484 24.390 -1.274 1100 60.668 104.563 66.626 41.731 -52.906 32.201 -1.529 1200 61.641 109.885 70.012 47.848 -148.038 42.307 -1.842 1300 62.425 114.851 73.272 54.053 -145.472 58.065 -2.333 1400 63.021 119.501 76.410 60.327 -142.859 73.624 -2.747 1500 63.429 123.864 79.430 66.651 -140.218 88.995 -3.099