chemical thermodynamics of neptunium and plutonium - U.S. ...

69Table 5.1: (continued)Compound f G ◦ m f Hm ◦ Sm ◦ Cp,m◦(kJ · mol −1 ) (kJ · mol −1 ) (J · K −1 · mol −1 ) (J · K −1 · mol −1 )SO 2−4−744.004 (a) −909.340 18.500±0.418 ±0.400 ±0.400HS − 12.243 (a) −16.300 67.000±2.115 ±1.500 ±5.000H 2 S(aq) −27.648 (a) −38.600 126.000±2.115 ±1.500 ±5.000H 2 S(g) −33.443 (a) −20.600 205.810 34.248±0.500 ±0.500 ±0.050 ±0.010HSO − 3−528.684 (b)±4.046HS 2 O − 3−528.366 (b)±11.377H 2 SO 3 (aq)−539.187 (b)±4.072HSO − 4−755.315 (a) −886.900 131.700±1.342 ±1.000 ±3.000Se(cr) 0.000 0.000 42.270 25.030±0.050 ±0.050SeO 2 (cr) −225.100±2.100SeO 2−3 −361.597 (b)±1.473HSeO − 3−409.544 (b)±1.358H 2 SeO 3 (aq)−425.527 (b)±0.736Te(cr) 0.000 0.000 49.221 25.550±0.050 ±0.100N(g) 455.537 (a) 472.680 153.301 20.786±0.400 ±0.400 ±0.003 ±0.001N 2 (g) 0.000 0.000 191.609 29.124±0.004 ±0.001N − 3 348.200 275.140 107.710 (a)±2.000 ±1.000 ±7.500NO − 3 −110.794 (a) −206.850 146.700±0.417 ±0.400 ±0.400HN 3 (aq) 321.372 (b) 260.140 (b) 147.381 (b)±2.051 ±10.050 ±34.403NH 3 (aq) −26.673 (b) −81.170 (b) 109.040 (b)±0.305 ±0.326 ±0.913NH 3 (g) −16.407 (a) −45.940 192.770 35.630±0.350 ±0.350 ±0.050 ±0.005NH + 4 −79.398 (a) −133.260 111.170±0.278 ±0.250 ±0.400(Continued on next page)