combustiveis

Poder Calorífico


Poder Calorífico das Substâncias Puras
Substância
Fórmula
Massa Molecular
Poder Calorífico
Superior
Inferior
Superior
Inferior
kcal/kg
kWh/kg
Carbono
C
12,01
7.819,0
7.819,0
9,09
9,09
Hidrogênio
H2
2,02
33.900,0
28.642,0
39,40
33,29
Monóxido de Carbono
CO
28,01
2.412,0
2.412,0
2,80
2,80
Enxofre
S
32,06
2.210,0
2.210,0
2,57
2,57
Gás Sulfídrico
H2S
34,08
3.939,0
3.631,0
4,58
4,22
Amônia
NH3
17,03
5.364,0
4.439,0
6,23
5,16
Metano
CH4
16,04
13.249,0
11.940,0
15,40
13,88
Etano
C2H6
30,07
12.384,0
11.336,0
14,39
13,17
Propano
C3H8
44,09
12.018,0
11.065,0
13,97
12,86
n-Butano
C4H10
58,12
11.822,0
10.919,0
13,74
12,69
i-Butano
C4H1O
58,12
11.794,0
10.891,0
13,71
12,66
n-Pentano
C5H12
72,14
11.702,0
10.829,0
13,60
12,59
i-Pentano
C5H12
72,14
11.680,0
10.252,0
13,57
11,92
neo-Pentano
C5H12
72,14
11.635,0
10.761,0
13,52
12,51
Eteno
C2H4
28,05
12.009,0
11.260,0
13,96
13,09
Propeno
C3H6
42,08
11.674,0
10.925,0
13,57
12,70
n-Buteno
C4H8
56,10
11.563,0
10.817,0
13,44
12,57
i-Buteno
C4H8
56,10
11.502,0
10.754,0
13,37
12,50
Acetileno
C2H2
26,04
11.929,0
11.527,0
13,86
13,40
Etanol
C2H5OH
46,07
7.302,0
6.619,0
8,49
7,69
Metanol
CH30H
32,04
5.692,0
5.037,0
6,62
5,85
Benzeno
C6H6
78,11
10.103,0
9.698,0
11,74
11,27
Tolueno
C7H8
92,13
10.231,0
9.776,0
11,89
11,36
Xileno
C8 H10
106,16
10.347,0
9.854,0
12,03
11,45