Use the Born-Haber Cycle to Calculate the Standard Enthalpy of Formation

question 85

Multiple Choice

Use the Born-Haber cycle to calculate the standard enthalpy of formation ( $\Delta$ H ) for LiCl(s) given the following data: $\Delta$ H(sublimation) Li = 155.2 kJ/mol
I₁ (Li) = 520 kJ/mol
Bond energy (Cl-Cl) = 242.7 kJ/mol
EA (Cl) = 349 kJ/mol
Lattice energy (LiCl(s) ) = 828 kJ/mol

• A)440 kJ/mol
• B)320 kJ/mol
• C)-260 kJ/mol
• D)-380 kJ/mol
• E)-1420 kJ/mol

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Definitions:

Organ of Corti

The sensory organ located within the cochlea of the inner ear, responsible for the transduction of sound vibrations into electrical signals.

Pituitary Gland

A small, pea-sized gland located at the base of the brain, crucial in controlling growth, metabolism, and reproductive function.

Endocrine Glands

Glands that secrete hormones directly into the bloodstream to regulate various body functions.

Variety of Hormones

Refers to the diverse group of chemical messengers produced by endocrine glands that regulate bodily functions, including growth, metabolism, and reproduction.