What is the standard enthalpy of formation of ethylene, C2H4, if its standard enthalpy of combustion is –1411 kJ•mol–1? | Thermodynamics

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Question

What is the standard enthalpy of formation of ethylene, C₂H₄, if its standard enthalpy of combustion is –1411 kJ•mol–1?

1411 kJ•mol–1

51 kJ•mol–1

✓ Correct

–337 kJ•mol–1

–445 kJ•mol–1

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