Use the following data at 298 K to find the standard enthalpy of formation of propane, C₃H₈(g): ΔcH°[C₃H₈(g)] = −2220.0 kJ mol⁻¹ ΔfH°[CO₂(g)] = −393.5 kJ mol⁻¹ ΔfH°[H₂O(l)] = −285.8 kJ mol⁻¹

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