Hydrogen gas (dihydrogen or molecular hydrogen) is highly flammable and will burn in air at a very wide range of concentrations between 4% and 75% by volume. The enthalpy of combustion for hydrogen is −286 kJ/mol: COUNT 3
QSN1 For hydrogen what is the enthalpy of combustion? ANS1 286 kJ/mol QSN2 What are two forms of hydrogen gas? ANS2 dihydrogen or molecular hydrogen QSN3 Which element has a enthalpy of combustion at −286 kJ/mol? ANS3 Hydrogen