Question

SLOHOEK Question 4 Question #4 10 pt Methane gas (CHA) is used in a combustion chamber with theoretical air to produce heat. The fuel is at 25°C, air is at 37°C, and the products of combustion are at 1100 K. Determine the amount of heat released during this combustion, KJ = ? CH, 25°C. 0.01 kg/s 1100K Combustion chamber H20 CO, N2 Air 37°C X B I VA-A- IE2 1 1 TT: 12pt Paragraph

Answer 1

16 x 0.79 a 490.24 maj Clair= 0.02081 KT Chytlo. CO2 + 2H₂Oce) 25°C 37°C (1100 K) CHU It 1000 62.5 ml CO2 62.5 mol 62.5 X 44 2.75 kg. H₂O 2,25 kg. 2x 62.5 mol = 2x62.5X 18 gr a Ny in flue gesa 62.5 X 2 0.21 13-166 kg. KJ/mol 80 • All is at 37°c AHS434667_476853 Alba 80 X 1060 theo Kwik OH . -890.8 les 2 0.02081 * (37-2s)) --893-18 ks Now some part to this heat will be utilised to Raise temp. of products 4893-18 x 62.5) - 62,5X 112 x (1100- 298) 298)) -(470.24 x (162-31 x1104 a = 50077 kJ lieg full - (125x40.8 + 125* 1996 (1100-298) DH 250 = -890.8 Х w 0:21 (62:5 Toon I w 1000