Solved

Which of the Following Fuels Has the Lowest Fuel Value $\Delta$

Question 71

Multiple Choice

Which of the following fuels has the lowest fuel value (kJ/g) ?

A) natural gas, CH₄(g) ; 16.0 g/mol, $\Delta$ H_comb = -801 kJ/mol
B) ethanol, CH₃CH₂OH( $Which of the following fuels has the lowest fuel value (kJ/g) ? A) natural gas, CH4(g) ; 16.0 g/mol, \Delta Hcomb = -801 kJ/mol B) ethanol, CH3CH2OH( ) ; 46.1 g/mol, \Delta Hcomb = -1,368 kJ/mol C) heating oil, C16H34( ) , 226 g/mol, \Delta Hcomb = -10,800 kJ/mol D) coal, C135H96O9NS(s) , 1906 g/mol, DHcomb = - 44,000 kJ/mol E) wood, C6H12O6(s) , 180 g/mol, \Delta Hcomb = -2,540 kJ/mol$ ) ; 46.1 g/mol, $\Delta$ H_comb = -1,368 kJ/mol
C) heating oil, C₁₆H₃₄( $Which of the following fuels has the lowest fuel value (kJ/g) ? A) natural gas, CH4(g) ; 16.0 g/mol, \Delta Hcomb = -801 kJ/mol B) ethanol, CH3CH2OH( ) ; 46.1 g/mol, \Delta Hcomb = -1,368 kJ/mol C) heating oil, C16H34( ) , 226 g/mol, \Delta Hcomb = -10,800 kJ/mol D) coal, C135H96O9NS(s) , 1906 g/mol, DHcomb = - 44,000 kJ/mol E) wood, C6H12O6(s) , 180 g/mol, \Delta Hcomb = -2,540 kJ/mol$ ) , 226 g/mol, $\Delta$ H_comb = -10,800 kJ/mol
D) coal, C₁₃₅H₉₆O₉NS(s) , 1906 g/mol, DH_comb = - 44,000 kJ/mol
E) wood, C₆H₁₂O₆(s) , 180 g/mol, $\Delta$ H_comb = -2,540 kJ/mol