Find the Standard Enthalpy of Formation of Ethylene, C₂H₄(g), Given $\Delta$

question 38

Multiple Choice

Find the standard enthalpy of formation of ethylene, C₂H₄(g) , given the following data: heat of combustion of C₂H₄(g) = -1411 kJ/mol; $\Delta$ H°_f[CO₂(g) ] = -393.5 kJ/mol; $\Delta$ H°_f[H₂O(l) ] = -285.8 kJ/mol.

• A)52 kJ/mol
• B)87 kJ/mol
• C)731 kJ/mol
• D)1.41 × 10³ kJ/mol
• E)2.77 × 10³ kJ/mol