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 |  |  |  |  | Using the NIST Chemistry WebBook On-Line Thermodynamic Database--Carbon Dioxide |  |  |  |  |  |  | Carbon dioxide
 |  |  |  |  |  |  |  |  |  |  |  | Molecular weight: | 44.0095
Please read |  | Heat content, heat capacity, and entropy equations for reference state CO2 |  |  |  |  |  |  |  |  |  |  | Table 2.  Values for the thermodynamic properties of CO2 in SI units
 |  | Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. |  |  |  |  |  |  |  | Temp, | Temp, | Cp | S° | -(G° - H°298.15)/T | H° - H°298.15 | H° - H°298.15
 |  | ΔH°gas -393.51 ± 0.13 kJ/mol.   [NAME], [NAME], et al., 1984 CODATA Review value |  |  |  |  |  |  |  | (K) | (°C) | (J/mol*K) | (J/mol*K) | (J/mol*K) | (kJ/mol) | (J/mol)
 |  | ΔH°gas -393.52 kJ/mol.   [NAME], 1998.   Data last reviewed in September, 1965 |  |  |  |  |  |  |  | 298 |  | 37.12 | 213.8 | 213.8 | -0.01
 |  |  |  |  |  |  |  |  |  | 300 |  | 37.22 | 214 | 213.8 | 0.07
 |  | S°gas,1 bar 213.785 ± 0.010 J/mol*K.   [NAME], [NAME], et al., 1984 CODATA Review value |  |  |  |  |  |  |  | 400 |  | 41.34 | 225.3 | 215.3 | 4
 |  | S°gas,1 bar 213.79 J/mol*K.   Review Chase, 1998.   Data last reviewed in September, 1965 |  |  |  |  |  |  |  | 500 |  | 44.61 | 234.9 | 218.3 | 8.31
 |  |  |  |  |  |  |  |  |  | 600 |  | 47.32 | 243.3 | 221.8 | 12.91
 |  | Gas Phase Heat Capacity (Shomate Equation) |  |  |  |  |  |  |  | 700 |  | 49.57 | 250.8 | 225.4 | 17.75 |  |  | CO2 in AES units
 |  | Cp° = A + B*t + C*t2 + D*t3 + E/t2 |  |  |  |  |  |  |  | 800 |  | 51.44 | 257.5 | 229 | 22.81 |  |  | Temp, | H° - H°77
 |  | H° - H°298.15= A*t + B*t2/2 + C*t3/3 + D*t4/4 - E/t + F - H |  |  |  |  |  |  |  | 900 |  | 53 | 263.6 | 232.5 | 28.03 |  |  | (°F) | (Btu/lb-mol)
 |  | S° = A*ln(t) + B*t + C*t2/2 + D*t3/3 - E/(2*t2) + G |  |  |  |  |  |  |  | 1000 |  | 54.3 | 269.3 | 235.9 | 33.4
 |  | Cp = heat capacity (J/mol*K) |  |  |  |  |  |  |  | 1100 |  | 55.4 | 274.5 | 239.2 | 38.89
 |  | H° = [NAME] (kJ/mol) |  |  |  |  |  |  |  | 1200 |  | 56.31 | 279.4 | 242.3 | 44.47
 |  | S° = standard entropy (J/mol*K) |  |  |  |  |  |  |  | 1300 |  | 57.14 | 283.9 | 245.4 | 50.15
 |  | t = temperature (K) / 1000. |  |  |  |  |  |  |  | 1400 |  | 57.83 | 288.2 | 248.3 | 55.89
 |  |  |  |  |  |  |  |  |  | 1500 |  | 58.4 | 292.2 | 251.1 | 61.71
 |  |  |  | Table 1.  Equation parameters for the thermodynamic properties of CO2 |  |  |  |  |  | 1600 |  | 58.9 | 296 | 253.8 | 67.57
 |  |  | Temp, (K) | 298. - 1200. | 1200. - 6000. |  |  |  |  | 1700 |  | 59.33 | 299.6 | 256.3 | 73.48
 |  |  | A | 24.99735 | 58.16639 |  |  |  |  | 1800 |  | 59.7 | 303 | 258.8 | 79.44
 |  |  | B | 55.18696 | 2.720074 |  |  |  |  | 1900 |  | 60.04 | 306.2 | 261.2 | 85.42
 |  |  | C | -33.69137 | -0.492289 |  |  |  |  | 2000 |  | 60.34 | 309.3 | 263.6 | 91.44
 |  |  | D | 7.948387 | 0.038844 |  |  |  |  | 2100 |  | 60.61 | 312.2 | 265.8 | 97.49
 |  |  | E | -0.136638 | -6.447293 |  |  |  |  | 2200 |  | 60.85 | 315.1 | 268 | 103.6
 |  |  | F | -403.6075 | -425.9186 |  |  |  |  | 2300 |  | 61.07 | 317.8 | 270.1 | 109.7
 |  |  | G | 228.2431 | 263.6125 |  |  |  |  | 2400 |  | 61.28 | 320.4 | 272.1 | 115.8
 |  |  | H | -393.5224 | -393.5224 |  |  |  |  | 2500 |  | 61.47 | 322.9 | 274.1 | 121.9
 |  |  | Reference | Chase, 1998 | Chase, 1998 |  |  |  |  | 2600 |  | 61.64 | 325.3 | 276 | 128.1
 |  |  |  |  |  |  |  |  |  | 2700 |  | 61.8 | 327.6 | 277.9 | 134.2
 |  |  | Comment:   Data last reviewed in September, 1965. |  |  |  |  |  |  | 2800 |  | 61.95 | 329.9 | 279.7 | 140.4
 |  |  |  |  |  |  |  |  |  | 2900 |  | 62.1 | 332.1 | 281.5 | 146.6
 |  |  | Figure 1.  Heat content of CO2 in SI units |  |  |  |  |  |  | 3000 |  | 62.23 | 334.2 | 283.2 | 152.8
 |  |  |  |  |  |  |  |  |  | 3100 |  | 62.35 | 336.2 | 284.9 | 159.1
 |  |  |  |  |  |  |  |  |  | 3200 |  | 62.47 | 338.2 | 286.5 | 165.3
 |  |  |  |  |  |  |  |  |  | 3300 |  | 62.59 | 340.1 | 288.1 | 171.6
 |  |  |  |  |  |  |  |  |  | 3400 |  | 62.69 | 342 | 289.7 | 177.8
 |  |  |  |  |  |  |  |  |  | 3500 |  | 62.8 | 343.8 | 291.2 | 184.1
 |  |  |  |  |  |  |  |  |  | 3600 |  | 62.89 | 345.6 | 292.7 | 190.4
 |  |  |  |  |  |  |  |  |  | 3700 |  | 62.99 | 347.3 | 294.1 | 196.7
 |  |  |  |  |  |  |  |  |  | 3800 |  | 63.08 | 349 | 295.6 | 203
 |  |  |  |  |  |  |  |  |  | 3900 |  | 63.17 | 350.6 | 297 | 209.3
 |  |  |  |  |  |  |  |  |  | 4000 |  | 63.25 | 352.2 | 298.3 | 215.6
 |  |  |  |  |  |  |  |  |  | 4100 |  | 63.34 | 353.8 | 299.6 | 222
 |  |  |  |  |  |  |  |  |  | 4200 |  | 63.42 | 355.3 | 301 | 228.3
 |  |  |  |  |  |  |  |  |  | 4300 |  | 63.5 | 356.8 | 302.2 | 234.6
 |  |  |  |  |  |  |  |  |  | 4400 |  | 63.58 | 358.3 | 303.5 | 241
 |  |  |  |  |  |  |  |  |  | 4500 |  | 63.66 | 359.7 | 304.7 | 247.4
 |  |  |  |  |  |  |  |  |  | 4600 |  | 63.74 | 361.1 | 305.9 | 253.7
 |  |  |  |  |  |  |  |  |  | 4700 |  | 63.82 | 362.5 | 307.1 | 260.1
 |  |  |  |  |  |  |  |  |  | 4800 |  | 63.9 | 363.8 | 308.3 | 266.5
 |  |  |  |  |  |  |  |  |  | 4900 |  | 63.98 | 365.1 | 309.4 | 272.9
 |  |  |  | Table 3.  Heat content for CO2 = A + BT |  |  |  |  |  | 5000 |  | 64.06 | 366.4 | 310.6 | 279.3
 |  |  |  |  | A | B |  |  |  | 5100 |  | 64.14 | 367.7 | 311.7 | 285.7
 |  |  |  | kJ/kg-mol; T = °C | -10312 | 58.91 |  |  |  | 5200 |  | 64.22 | 368.9 | 312.8 | 292.1
 |  |  |  | kJ/m3; T = °C |  |  |  |  |  | 5300 |  | 64.31 | 370.2 | 313.8 | 298.5
 |  |  |  | Btu/lb-mol;  T = °F | -4887 | 14.08 |  |  |  | 5400 |  | 64.39 | 371.4 | 314.9 | 305
 |  |  |  | Btu/ft3;  T = °F |  |  |  |  |  | 5500 |  | 64.48 | 372.5 | 315.9 | 311.4
 |  |  |  | ([NAME] are STP) |  |  |  |  |  | 5600 |  | 64.58 | 373.7 | 316.9 | 317.9
 |  |  |  |  |  |  |  |  |  | 5700 |  | 64.67 | 374.9 | 318 | 324.3
 |  |  |  |  |  |  |  |  |  | 5800 |  | 64.77 | 376 | 318.9 | 330.8
 |  |  |  |  |  |  |  |  |  | 5900 |  | 64.87 | 377.1 | 319.9 | 337.3
 |  |  |  |  |  |  |  |  |  | 6000 |  | 64.98 | 378.2 | 320.9 | 343.8