Determine the Energy Change for the Reaction Li(s)

question 43

Multiple Choice

Determine the energy change for the reaction Li(s) + Cl₂(g)  LiCl(s)
From the following data:
Lattice energy of LiCl = -861 kJ/mol
Energy to vaporize Li = 159 kJ/mol
Ionization energy of Li = 520 kJ/mol
Cl₂ bond energy: 240 kJ/mol
Electron affinity of Cl: -349 kJ/mol

• A) -411 kJ/mol
• B) -528 kJ/mol
• C) 311 kJ/mol
• D) -861 kJ/mol
• E) -291 kJ/mol

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Definitions:

Lactate

A compound produced during anaerobic metabolism, often associated with muscle fatigue during intense exercise.

Plasma

The liquid component of blood in which blood cells are suspended, containing water, salts, and proteins.

Colloid

Atoms or molecules dispersed in a gaseous, liquid, or solid medium that resist separation from the liquid, gas, or solid.

Plasma Volume

The volume of the plasma component of blood, critical for maintaining blood pressure and supplying proteins for blood clotting and immunity.