Calculate $\Delta$ H° for the Reaction C₄H₄(g)+ 2H₂(g) $\to$ C₄H₈(g),using the Following Data

question 48

Multiple Choice

Calculate $\Delta$ H° for the reaction C₄H₄(g) + 2H₂(g) $\to$ C₄H₈(g) ,using the following data:
$\Delta$ H°_combustion for C₄H₄(g) = -2341 kJ/mol
$\Delta$ H°_combustion for H₂(g) = -286 kJ/mol
$\Delta$ H°_combustion for C₄H₈(g) = -2755 kJ/mol

• A)-128 kJ
• B)-158 kJ
• C)128 kJ
• D)158 kJ
• E)none of these

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