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

question 43

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 ^$\circ$ _f[CO₂(g) ] = -393.5 kJ/mol; $\Delta$ H ^$\circ$ _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

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