Isochoric Molar Heat Capacity

Element

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Argon

gas

1200 K

1 atm

12.47 J/(mol K)

1 bar

12.47 J/(mol K)

1000 K

1 atm

12.47 J/(mol K)

1 bar

12.47 J/(mol K)

780 K

1 atm

12.47 J/(mol K)

1 bar

12.47 J/(mol K)

680 K

1 atm

12.47 J/(mol K)

1 bar

12.47 J/(mol K)

580 K

1 atm

12.47 J/(mol K)

1 bar

12.47 J/(mol K)

490 K

1 atm

12.47 J/(mol K)

1 bar

12.47 J/(mol K)

440 K

1 atm

12.47 J/(mol K)

1 bar

12.47 J/(mol K)

390 K

1 atm

12.48 J/(mol K)

1 bar

12.48 J/(mol K)

340 K

1 atm

12.48 J/(mol K)

1 bar

12.48 J/(mol K)

300 K

1 atm

12.48 J/(mol K)

1 bar

12.48 J/(mol K)

295 K

1 atm

12.48 J/(mol K)

1 bar

12.48 J/(mol K)

285 K

1 atm

12.48 J/(mol K)

1 bar

12.48 J/(mol K)

275 K

1 atm

12.48 J/(mol K)

1 bar

12.48 J/(mol K)

270 K

1 atm

12.48 J/(mol K)

1 bar

12.48 J/(mol K)

245 K

1 atm

12.49 J/(mol K)

1 bar

12.49 J/(mol K)

220 K

1 atm

12.49 J/(mol K)

1 bar

12.49 J/(mol K)

195 K

1 atm

12.50 J/(mol K)

1 bar

12.50 J/(mol K)

176 K

1 atm

12.51 J/(mol K)

1 bar

12.51 J/(mol K)

166 K

1 atm

12.52 J/(mol K)

1 bar

12.52 J/(mol K)

156 K

1 atm

12.53 J/(mol K)

1 bar

12.53 J/(mol K)

150 K

1 atm

12.54 J/(mol K)

1 bar

12.54 J/(mol K)

140 K

1 atm

12.57 J/(mol K)

1 bar

12.57 J/(mol K)

130 K

1 atm

12.62 J/(mol K)

1 bar

12.62 J/(mol K)

120 K

1 atm

12.72 J/(mol K)

1 bar

12.72 J/(mol K)

110 K

1 atm

12.94 J/(mol K)

1 bar

12.94 J/(mol K)

liquid

87.29 K, 1 atm

20.90 J/(mol K)

87.17 K, 1 bar

20.92 J/(mol K)

86 K

1 atm

21.06 J/(mol K)

1 bar

21.06 J/(mol K)

84 K

1 atm

21.31 J/(mol K)

1 bar

21.31 J/(mol K)

Nitrogen

gas

1000 K, 1 bar

24.39 J/(mol K)

900 K, 1 bar

23.78 J/(mol K)

800 K, 1 bar

23.12 J/(mol K)

700 K, 1 bar

22.44 J/(mol K)

600 K, 1 bar

21.80 J/(mol K)

550 K, 1 bar

21.51 J/(mol K)

500 K, 1 bar

21.27 J/(mol K)

450 K, 1 bar

21.08 J/(mol K)

400 K, 1 bar

20.94 J/(mol K)

350 K, 1 bar

20.86 J/(mol K)

340 K, 1 bar

20.85 J/(mol K)

330 K, 1 bar

20.84 J/(mol K)

320 K, 1 bar

20.83 J/(mol K)

310 K, 1 bar

20.82 J/(mol K)

300 K, 1 bar

20.82 J/(mol K)

290 K, 1 bar

20.81 J/(mol K)

280 K, 1 bar

20.81 J/(mol K)

270 K, 1 bar

20.81 J/(mol K)

260 K, 1 bar

20.81 J/(mol K)

250 K, 1 bar

20.81 J/(mol K)

240 K, 1 bar

20.81 J/(mol K)

230 K, 1 bar

20.81 J/(mol K)

220 K, 1 bar

20.81 J/(mol K)

210 K, 1 bar

20.81 J/(mol K)

200 K, 1 bar

20.81 J/(mol K)

190 K, 1 bar

20.82 J/(mol K)

180 K, 1 bar

20.82 J/(mol K)

170 K, 1 bar

20.83 J/(mol K)

160 K, 1 bar

20.84 J/(mol K)

150 K, 1 bar

20.85 J/(mol K)

145 K, 1 bar

20.85 J/(mol K)

140 K, 1 bar

20.86 J/(mol K)

135 K, 1 bar

20.87 J/(mol K)

130 K, 1 bar

20.88 J/(mol K)

125 K, 1 bar

20.90 J/(mol K)

120 K, 1 bar

20.92 J/(mol K)

115 K, 1 bar

20.94 J/(mol K)

110 K, 1 bar

20.97 J/(mol K)

105 K, 1 bar

21.00 J/(mol K)

100 K, 1 bar

21.05 J/(mol K)

95 K, 1 bar

21.11 J/(mol K)

90 K, 1 bar

21.20 J/(mol K)

85 K, 1 bar

21.31 J/(mol K)

80 K, 1 bar

21.48 J/(mol K)

77.244 K, 1 bar

21.60 J/(mol K)

liquid

77.244 K, 1 bar

30.39 J/(mol K)

75 K, 1 bar

30.76 J/(mol K)

70 K, 1 bar

31.65 J/(mol K)

65 K, 1 bar

32.60 J/(mol K)

63.170 K, 1 bar

32.95 J/(mol K)

Oxygen

gas

300 K

1 atm

21.08 J/(mol K)

1 bar

21.08 J/(mol K)

295 K

1 atm

21.05 J/(mol K)

1 bar

21.05 J/(mol K)

285 K

1 atm

21.01 J/(mol K)

1 bar

21.01 J/(mol K)

275 K

1 atm

20.97 J/(mol K)

1 bar

20.97 J/(mol K)

270 K

1 atm

20.96 J/(mol K)

1 bar

20.96 J/(mol K)

250 K

1 atm

20.90 J/(mol K)

1 bar

20.90 J/(mol K)

225 K

1 atm

20.86 J/(mol K)

1 bar

20.86 J/(mol K)

200 K

1 atm

20.84 J/(mol K)

1 bar

20.84 J/(mol K)

178 K

1 atm

20.84 J/(mol K)

1 bar

20.84 J/(mol K)

168 K

1 atm

20.85 J/(mol K)

1 bar

20.85 J/(mol K)

158 K

1 atm

20.86 J/(mol K)

1 bar

20.86 J/(mol K)

148 K

1 atm

20.88 J/(mol K)

1 bar

20.88 J/(mol K)

138 K

1 atm

20.90 J/(mol K)

1 bar

20.90 J/(mol K)

128 K

1 atm

20.92 J/(mol K)

1 bar

20.92 J/(mol K)

118 K

1 atm

20.94 J/(mol K)

1 bar

20.94 J/(mol K)

108 K

1 atm

20.93 J/(mol K)

1 bar

20.92 J/(mol K)

98 K

1 atm

20.89 J/(mol K)

1 bar

20.89 J/(mol K)

94 K

1 atm

21.02 J/(mol K)

1 bar

21.01 J/(mol K)

liquid

90.19 K, 1 atm

29.72 J/(mol K)

90.06 K, 1 bar

29.74 J/(mol K)

90 K

1 atm

29.75 J/(mol K)

1 bar

29.75 J/(mol K)

82 K

1 atm

30.76 J/(mol K)

1 bar

30.76 J/(mol K)

72 K

1 atm

32.21 J/(mol K)

1 bar

32.21 J/(mol K)

62 K

1 atm

34.20 J/(mol K)

1 bar

34.20 J/(mol K)

56 K

1 atm

36.86 J/(mol K)

1 bar

36.86 J/(mol K)

54.37 K

1 atm

38.23 J/(mol K)

1 bar

38.23 J/(mol K)

References (Click the next to a value above to see complete citation information for that entry)

Span, Roland, Eric W. Lemmon, Richard T. Jacobsen, Wolfgang Wagner, and Akimichi Yokozeki. "A Reference Equation of State for the Thermodynamic Properties of Nitrogen for Temperatures from 63.151 to 1000 K and Pressures to 2200 MPa." Journal of Physical and Chemical Reference Data, volume 29, number 6, 2000, pp. 1361–1433.

Stewart, Richard B., and Richard T. Jacobsen. "Thermodynamic Properties of Argon from the Triple Point to 1200 K with Pressures to 1000 MPa." Journal of Physical and Chemical Reference Data, volume 18, number 2, 1989, pp. 639–798.

Stewart, Richard B., Richard T. Jacobsen, and w. Wagner. "Thermodynamic Properties of Oxygen from the Triple Point to 300 K with Pressures to 80 MPa." Journal of Physical and Chemical Reference Data, volume 20, number 5, 1991, pp. 917–1021.