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Internal Energy of Gases
Units: Btu/(lb
▪ mol) above 520 ˚ R
Temp
˚ R =
520
540
560
580
600
700
800
900
1,000
1,100
1,200
1,300
1,400
1,500
1,600
1,700
1,800
1,900
2,000
2,100
2,200
2,300
2,400
2,500
2,600
2,700
2,800
2,900
3,000
3,100
3,200
3,300
3,400
3,500
3,600
3,700
3,800
3,900
4,000
4,100
4,200
4,300
4,400
4,500
4,600
4,700
4,800
4,900
5,000
5,100
5,200
5,300
5,400
O
2
=
N
2
=
Air =
CO
2
=
H
2
O =
H
2
=
CO =
Apv
=
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