Given the standard enthalpy changes for the following two reactions:(1) 4C(s) + 5H2(g)C4H10(g)...... ΔH° = -125.6 kJ(2) C2H4(g)2C(s) + 2H2(g)......ΔH° = -52.3 kJwhat is the standard enthalpy change for the reaction:(3) 2C2H4(g) + H2(g)C4H10(g)......ΔH° = ?kJ

• The required thermochemical equation is, 2C2H4(g)+ H2(g) → C4H10(g) ; ∆H° = ? • The given…

Answered: Given the standard enthalpy changes for…

Principles of Modern Chemistry

8th Edition

ISBN:9781305079113

Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Chapter12: Thermodynamic Processes And Thermochemistry

Section: Chapter Questions

Problem 35P

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Given the standard enthalpy changes for the following two reactions:

(1) 4C(s) + 5H₂(g)C₄H₁₀(g)...... ΔH° = -125.6 kJ

(2) C₂H₄(g)2C(s) + 2H₂(g)......ΔH° = -52.3 kJ

what is the standard enthalpy change for the reaction:

(3) 2C₂H₄(g) + H₂(g)C₄H₁₀(g)......ΔH° = ?

kJ

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