1-propanol is combusted to provide heat. The equation and the enthalpy change for the process are shown below. C₃H7OH (l) + 4.5 O₂ (g) → 3 CO₂ (g) + 4 H₂O (l), ΔH = −2,021 kJ.
A. Exothermic
B. Endothermic
C. No change in enthalpy
D. Unpredictable