The Lattice Energy of NaCl(s) Is -786 KJmol A) -1921 KJ/mol
B) -473 KJ/mol
C) -349 KJ/mol
D)

question 5

Multiple Choice

The lattice energy of NaCl(s) is -786 kJmol. Use this value and the following thermochemical data to determine the electron attachment enthalpy of Cl(g) . ?IE is the enthalpy of ionization. $$\begin{array} { l l } \mathrm { Na } ( \mathrm { s } ) \rightarrow \mathrm { Na } ( \mathrm { g } ) & \Delta _ { f } H ^ { \circ } = + 107 \mathrm {~kJ} / \mathrm { mol } \\\mathrm { Na } ( \mathrm { g } ) \rightarrow \mathrm { Na } ^ { + } ( \mathrm { g } ) + \mathrm { e } ^ { - } & \Delta I E = + 496 \mathrm {~kJ} / \mathrm { mol } \\1 / 2 \mathrm { Cl } _ { 2 } ( \mathrm {~g} ) \rightarrow \mathrm { Cl } ( \mathrm { g } ) & \Delta _ { f } H ^ { \circ } = + 121 \mathrm {~kJ} / \mathrm { mol } \\\mathrm { Na } ( \mathrm { s } ) + 1 / 2 \mathrm { Cl } _ { 2 } ( \mathrm {~g} ) \rightarrow \mathrm { NaCl } ( \mathrm { s } ) & \Delta _ { f } H ^ { \circ } = - 411 \mathrm {~kJ} / \mathrm { mol }\end{array}$$

• A) -1921 kJ/mol
• B) -473 kJ/mol
• C) -349 kJ/mol
• D) +349 kJ/mol
• E) +473 kJ/mol

Understand the reasons behind desertion among black soldiers in relation to U.S. imperialism.

Identify key regions where the United States pursued imperialistic policies in the late nineteeth and early twentieth centuries.

Understand the diplomatic preferences of the U.S. government regarding the appointment of black ministers in foreign countries.

Recognize the racial tensions and violence in northern cities during the early twentieth century.

---

Definitions:

Intellectual Disability

A term used to describe a condition characterized by significant limitations in both intellectual functioning and in adaptive behavior, which covers a range of everyday social and practical skills.

Adaptive Behavior

Describes the collection of conceptual, social, and practical skills that individuals have learned and perform in their everyday lives to effectively meet demands and challenges.

General Intellectual Functioning

A term typically related to an individual's overall cognitive capabilities, often measured by IQ tests or similar assessments.

Autism Spectrum Disorder

A developmental disorder characterized by difficulties in social interaction and communication, and by restrictive or repetitive patterns of thought and behavior.