Estimate the enthalpy change for the reaction 3 H2C=CH2 (g) → C,H12 (g) Using thebond energies inTable 5.3 of the reference chapter. Table 5.3 Some Bond Dissociation Energies. DBond(klmal)Воnd(kJ/molBond(kJ/mol)HH436209CzHs CH355HF570H2C-CH H444(CHa),CH CH,351H CI432H2C-CH CI368339H Br366HạC=CHCH, H361H2C-CH CH,406298HyC-CHCH, CI289H2C-CHCH, CH,310C-CI243H2C-CH2611Br Br193464CH3151427CH, -H438CH CI405CH-CH351CH Br293332CHy-234CH2-HCH OH380368368CH3-NHCHyč-H335CHs-H420CH2-CIHO H498CH5 CI338293но он213CzHy Br285CH0-H437CHs-222BrCHS H371C3Hs-OH380337CH0-H436(CH3),CH-H401(CH3),CH-CI339322CH3C- CH3(CH3>CH-Br274469(CH3)3C-H390CHCH20 CH339(CH)3C CI330HC C-H552NH3 H449(CH33C-Br263CH3 CH3376H CNS18

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Answered: Estimate the enthalpy change for the…

Estimate the enthalpy change for the reaction 3 H2C=CH2 (9) → C6H12 (2) using the pond energies inTable 5.3 of the reference chapter.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Thermochemistry can be considered as a branch of thermodynamics that deals with the connections between warmth, work, and various types of energy, formed because of different synthetic and actual cycles. Thermochemistry describes the energy changes that occur as a result of reactions or chemical changes in a substance.

Exergonic Reaction

The term exergonic is derived from the Greek word in which ‘ergon’ means work and exergonic means ‘work outside’. Exergonic reactions releases work energy. Exergonic reactions are different from exothermic reactions, the one that releases only heat energy during the course of the reaction. So, exothermic reaction is one type of exergonic reaction. Exergonic reaction releases work energy in different forms like heat, light or sound. For example, a glow stick releases light making that an exergonic reaction and not an exothermic reaction since no heat is released. Even endothermic reactions at very high temperature are exergonic.

Question

Estimate the enthalpy change for the reaction 3 H2C=CH2 (g) → C,H12 (g) Using the
bond energies inTable 5.3 of the reference chapter.

Table 5.3 Some Bond Dissociation Energies. D
Bond
(klmal)
Воnd
(kJ/mol
Bond
(kJ/mol)
HH
436
209
CzHs CH
355
HF
570
H2C-CH H
444
(CHa),CH CH,
351
H CI
432
H2C-CH CI
368
339
H Br
366
HạC=CHCH, H
361
H2C-CH CH,
406
298
HyC-CHCH, CI
289
H2C-CHCH, CH,
310
C-CI
243
H2C-CH2
611
Br Br
193
464
CH3
151
427
CH, -H
438
CH CI
405
CH-CH
351
CH Br
293
332
CHy-
234
CH2-H
CH OH
380
368
368
CH3-NH
CHyč-H
335
CHs-H
420
CH2-CI
HO H
498
CH5 CI
338
293
но он
213
CzHy Br
285
CH0-H
437
CHs-
222
Br
CHS H
371
C3Hs-OH
380
337
CH0-H
436
(CH3),CH-H
401
(CH3),CH-CI
339
322
CH3C- CH3
(CH3>CH-Br
274
469
(CH3)3C-H
390
CHCH20 CH
339
(CH)3C CI
330
HC C-H
552
NH3 H
449
(CH33C-Br
263
CH3 CH3
376
H CN
S18

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