D. Calculate the enthalpy of dissociation (or bond energy) of the X-X bond. Treat multiplication asconsecutive addition for the purpose of sig. figs.ReactionAH valueReaction/ProcessEnthalpy ofsublimation of Mi.AHsub = 137 kJ/molFirst ionization energyof Mi.AHIE1 = 765 kJ/mol->AHIE2 = 1221kJ/molSecond ionizationiii.energy of MAHIE3 = 7453kJ/molThird ionizationiv.energy of MEnthalpy ofdissociation of X2 (g)AHD = ??V.AHEA1 = -366kJ/molFirst electron affinityof X%3!vi.AHlattice = -5230.kJ/molvii.Lattice energy of MX3Enthalpy of formationvii.M (s) + X2 (g)MX3 (s)AH:= 3882 kJ/molof MX3

Answer: This is the question based on Hess law of energy conservation according to sum of the…

Answered: D. Calculate the enthalpy of…

D. Calculate the enthalpy of dissociation (or bond energy) of the X-X bond. Treat multiplication as consecutive addition for the purpose of sig. figs.

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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Concept explainers

Thermochemistry

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

D. Calculate the enthalpy of dissociation (or bond energy) of the X-X bond. Treat multiplication as
consecutive addition for the purpose of sig. figs.
Reaction
AH value
Reaction/Process
Enthalpy of
sublimation of M
i.
AHsub = 137 kJ/mol
First ionization energy
of M
i.
AHIE1 = 765 kJ/mol
->
AHIE2 = 1221
kJ/mol
Second ionization
iii.
energy of M
AHIE3 = 7453
kJ/mol
Third ionization
iv.
energy of M
Enthalpy of
dissociation of X2 (g)
AHD = ??
V.
AHEA1 = -366
kJ/mol
First electron affinity
of X
%3!
vi.
AHlattice = -5230.
kJ/mol
vii.
Lattice energy of MX3
Enthalpy of formation
vii.
M (s) + X2 (g)
MX3 (s)
AH:
= 3882 kJ/mol
of MX3

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