?Natural gases are rarely pure methane; they usually also contain other light
Chapter 4, Problem 4.29(choose chapter or problem)
Natural gases are rarely pure methane; they usually also contain other light hydrocarbons and nitrogen. Determine an expression for the standard higher heat of combustion as a function of composition for a natural gas containing methane, ethane, propane, and nitrogen. Assume liquid water as a product of combustion. Which of the following natural gases has the highest heat of combustion?
(a) \(y_{C H_{4}} = 0.95, y_{C_{2}H_{6}} = 0.02, y_{C_{3}H_{8} = 0.02, y_{N_{2}} = 0.01\).
(b) \(y_{C H_{4}} = 0.90, y_{C_{2}H_{6}} = 0.05, y_{C_{3}H_{8} = 0.03, y_{N_{2}} = 0.02\).
(c) \(y_{C H_{4}} = 0.85, y_{C_{2}H_{6}} = 0.07, y_{C_{3}H_{8} = 0.03, y_{N_{2}} = 0.05\).
Text Transcription:
y_CH_4 = 0.95, y_C_2H_ 6 = 0.02, y_C_3H_ 8 = 0.02, y_N_2 = 0.01
y_CH_4 = 0.90, y_C_2H_ 6 = 0.05, y_C_3H_ 8 = 0.03, y_N_2 = 0.02
y_CH_4 = 0.85, y_C_2H_ 6 = 0.07, y_C_3H_ 8 = 0.03, y_N_2 = 0.05
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