Question

25. Calculate the standard enthalpy of formation of
propane (C2H2) if its enthalpy of combustion is
-2220.2 kJ mol-1. The enthalpies of formation of
CO,(g) and H,O(l) ar –393.5 and -285.8 kJ mol-1
respectively.​

Answer 1

Answer:

add both and substrate.

both by its cofficent

Answer 2

Answer:

Suzi

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