8. Thermochemistry
Enthalpy of Formation
50PRACTICE PROBLEM
Heptane (C7H16) burns according to the following balanced equation:
C7H16 (l) + 11 O2(g) → 7 CO2(g) + 8 H2O(g)
Calculate ΔH°rxn for this reaction using standard enthalpies of formation. (The standard enthalpy of formation of liquid pentane is -223.0 kJ/mol.)
Heptane (C7H16) burns according to the following balanced equation:
C7H16 (l) + 11 O2(g) → 7 CO2(g) + 8 H2O(g)
Calculate ΔH°rxn for this reaction using standard enthalpies of formation. (The standard enthalpy of formation of liquid pentane is -223.0 kJ/mol.)