Given the following bond energies (in kJ/mol): BE(H–H) = 436; BE(C–C) = 345; BE(C=C) = 611; BE(N=N) = 946; BE(C–H) = 415; BE(N–H) = 390; ВЕН-СІ) — 432; BE(C-CI) = 330; Calculate the enthalpy change, AH (in kJ), for the following reactions, and indicate whether the reaction is endothermic or exothermic. (a) N2(g) + 3Hx(g) → 2NH3(g) (b) CH;CH;Cl(g) → H;C=CH2(g) + HCl(g)

Given the following bond energies (in kJ/mol): BE(H–H) = 436; BE(C–C) = 345; BE(C=C) = 611; BE(N=N) = 946; BE(C–H) = 415; BE(N–H) = 390; ВЕН-СІ) — 432; BE(C-CI) = 330; Calculate the enthalpy change, AH (in kJ), for the following reactions, and indicate whether the reaction is endothermic or exothermic. (a) N2(g) + 3Hx(g) → 2NH3(g) (b) CH;CH;Cl(g) → H;C=CH2(g) + HCl(g)

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter6: Covalent Bonding

Section: Chapter Questions

Problem 35QRT

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