1 x 10 ° mm3 of air at a pressure of 10 bar and temperature 300°C, expands 10 times its original volume and its final temperature will be 25°C. Calculate (1) mass (ii) change in entropy by considering temperature, volume, entropy relationship (iii) change in entropy by considering temperature, pressure, entropy relationship (iii) change in entropy by considering pressure, volume, entropy relationship. Gas Molecular weight (M) (kJ/kg K) (kJ/kg K) Air 28.97 1.005 0.718 Oxygen Nitrogen Hydrogen Carbon monoxide 32 0.920 0.660 28 1.046 0.754 14.40 10.40 28 1.046 0.754

Elements Of Electromagnetics
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1 x 10 ° mm3 of air at a pressure of 10 bar and temperature 300°C, expands 10 times its original volume and its final temperature will be
25°C. Calculate (1) mass (ii) change in entropy by considering temperature, volume, entropy relationship (iii) change in entropy by
considering temperature, pressure, entropy relationship (iii) change in entropy by considering pressure, volume, entropy relationship.
Gas
Molecular
weight
(M)
(kJ/kg K)
(kJ/kg K)
Air
28.97
1.005
0.718
Oxygen
Nitrogen
Hydrogen
Carbon monoxide
32
0.920
0.660
28
1.046
0.754
14.40
10.40
28
1.046
0.754
Transcribed Image Text:1 x 10 ° mm3 of air at a pressure of 10 bar and temperature 300°C, expands 10 times its original volume and its final temperature will be 25°C. Calculate (1) mass (ii) change in entropy by considering temperature, volume, entropy relationship (iii) change in entropy by considering temperature, pressure, entropy relationship (iii) change in entropy by considering pressure, volume, entropy relationship. Gas Molecular weight (M) (kJ/kg K) (kJ/kg K) Air 28.97 1.005 0.718 Oxygen Nitrogen Hydrogen Carbon monoxide 32 0.920 0.660 28 1.046 0.754 14.40 10.40 28 1.046 0.754
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