CHM 2045C Module Seven Sample Exam

Module Seven Part E: Enthalpy change in Chemical Reactions 5 points

If the enthalpy change for the combustion of propane gas, C₃H₈ (g) is -2220kJ/mol propane. What quantity of heat is released when 1.00 kg of propane is burned?

C₃H₈ (g) + 5 O₂ (g) à 3 CO₂ (g) + 4 H₂O (l) ∆H = -2220 kJ

Answer:

-50,500 kJ