Application of Endothermic Reaction and Exothermic Reaction in Daily Life (3)

Fuel value for ethanol

30 kJ g−1

Fuel value for petrol

34 kJ g−1

Fuel value for kerosene

37 kJ g−1

Fuel value for natural gas

50 kJ g−1

Fuel value for hydrogen

143 kJ g−1

Factors in the selection of fuels (1)

Fuel value

Factors in the selection of fuels (2)

Availability and source of substance

Factors in the selection of fuels (3)

Cost of fuel

Factors in the selection of fuels (4)

Effects of the fuels on the environment

Fuel value of wood compared to methane

Wood has a lower fuel value compared to methane