Solved

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

Question 155

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( $Which of the following fuels has the lowest fuel value (kJ/g) ? A) natural gas,CH4(g) ; 16.0 g/mol, \Delta Hcomb = -801 kJ/mol B) ethanol,CH3CH2OH( ) ; 46.1 g/mol, \Delta Hcomb = -1368 kJ/mol C) heating oil,C16H34( ) ,226 g/mol, \Delta Hcomb = -10,800 kJ/mol D) coal,C135H96O9NS(s) ,1906 g/mol, \Delta Hcomb = - 44,000 kJ/mol E) wood,C6H12O6(s) ,180 g/mol, \Delta Hcomb = -2540 kJ/mol$ ) ; 46.1 g/mol, $\Delta$ H_comb = -1368 kJ/mol
C) heating oil,C₁₆H₃₄( $Which of the following fuels has the lowest fuel value (kJ/g) ? A) natural gas,CH4(g) ; 16.0 g/mol, \Delta Hcomb = -801 kJ/mol B) ethanol,CH3CH2OH( ) ; 46.1 g/mol, \Delta Hcomb = -1368 kJ/mol C) heating oil,C16H34( ) ,226 g/mol, \Delta Hcomb = -10,800 kJ/mol D) coal,C135H96O9NS(s) ,1906 g/mol, \Delta Hcomb = - 44,000 kJ/mol E) wood,C6H12O6(s) ,180 g/mol, \Delta Hcomb = -2540 kJ/mol$ ) ,226 g/mol, $\Delta$ H_comb = -10,800 kJ/mol
D) coal,C₁₃₅H₉₆O₉NS(s) ,1906 g/mol, $\Delta$ H_comb = - 44,000 kJ/mol
E) wood,C₆H₁₂O₆(s) ,180 g/mol, $\Delta$ H_comb = -2540 kJ/mol