Consider the following information.• The enthalpy of formation of SrO is AH;= -592.0 kJ/mol.• The enthalpy of sublimation of Sr is AHsub= 164.4 kJ/mol.• The first and second ionization energies of Sr are IE, = 549 kJ/mol and IE2= 1064 kJ/mol.• The first electron affinity of O is AHEA1 = -142 kJ/mol.• The bond energy of O, is BE = 498 kJ/mol.• The lattice energy of SrO is AHattice = -3217 kJ/mol.Determine the second electron affinity of O.kJ/molAHEA2 =privacy policyterms of usecontact ushelpabout uscareers11:110/26DELL

Second electron gain enthalpy of O can be calculated using Hess's law. According to…

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Determine the second electron affinity of O.

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

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Concept explainers

Electron Affinity

When an element undergoes a chemical reaction, it either gains energy or loses energy. This gain or loss of energy is due to the phenomena that occur at atomic level. During reaction, atoms either gain electrons from other atoms or lose electrons to other atoms, and in that process, energy is produced.

P-Block Elements

Elements which are present on the right side of the periodic table are called p-block elements. In addition to the noble gases, they include the families of boron, mercury, nitrogen, oxygen and fluorine. These elements have diverse real-life implementations that we regularly experience around us.

Metals and Non-metals

The periodic table is composed of metals, semi-metals and nonmetal elements. The physical and chemical properties of metals and nonmetals differ from each other. The study of metals and nonmetals will help one to understand the appropriate application of the particular element.

Question

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Consider the following information.
• The enthalpy of formation of SrO is AH;
= -592.0 kJ/mol.
• The enthalpy of sublimation of Sr is AHsub
= 164.4 kJ/mol.
• The first and second ionization energies of Sr are IE, = 549 kJ/mol and IE2
= 1064 kJ/mol.
• The first electron affinity of O is AHEA1 = -142 kJ/mol.
• The bond energy of O, is BE = 498 kJ/mol.
• The lattice energy of SrO is AHattice = -3217 kJ/mol.
Determine the second electron affinity of O.
kJ/mol
AHEA2 =
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