How much heat is produced when 2 moles of water are produced from burning hydrogen gas? Show your work.
ΔHf0 (kJ/mol)
H2 (g) 0
O2 (g) 0
H2O (g) -241.8
2H2 (g) + O2 (g) 2H2O (g)
................2H2 + O2 ==> 2H2O
dHrxn = (n*dHo products) - (n*dHo reactants)