The standard enthalpy change of combustion [to CO2(g) and H2O()] at 25°C of the organic solid...

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The standard enthalpy change of combustion [to CO2(g) and H2O()] at 25°C of the organic solid...

The standard enthalpy change of combustion [to CO₂(g) and H₂O()] at 25°C of the organic solid diphenylacetylene, C₁₄H₁₀(s), is determined to be -7257.6 kJ mol^-1. What is the H_f° of C₁₄H₁₀(s) based on this value?

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Answer 1

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combustion reaction of dephenyime etylene ich als follows C14 Ho(s) + 53 02 (9) = 14 CO2(g) +50 (9) Nρω, -- 393. 51 kJ/mol 4H

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