Calculate the standard enthalpy of formation for diamond, given that C(graphite) + O2(g) CO2(g) Afr =-393.5
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C(graphite) + O2(g) → CO2(g) Afr =-393.5 kJ/mol C(diamond) + O2(g) → CO2(g) AF1° 395.4 kJ/mol
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