T(˚)

1000/T (K⁻¹)

V (ml/g)

lgV (ml/g)

dlgV

D (1000/T)

Hexf (kJ/mole)

250

1.91

75

1.875

0

0

300

1.745

100

2

0.125

−0.165

14.5

350

1.61

123

2.09

0.219

−0.3

14

400

1.485

160

2.2

0.325

−0.425

14.6

450

1.38

180

2.255

0.38

−0.53

13.7

500

1.295

220

2.34

0.465

−0.615

14.5

600

1.145

260

2.415

0.54

−0.795

13

700

1.03

270

2.43

0.55

−0.88

12.1