Given the following enthalpy of reaction. 2C(s) + 2H2(g) C2H4(g) H = +56 kJ mol-1 C(s) + 2F2(g) CF4(g) H = -680 kJ mol-1 F2(g) + H2(g) 2HF(g) H = -537 kJ mol-1 Calculate the enthalpy change for the following reaction. 2Al(s) + Fe2O3(s) 2Fe(s) + Al2O3(s)
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