Calculate the Lattice Energy of Sodium Fluoride from the Following

question 52

Multiple Choice

Calculate the lattice energy of sodium fluoride from the following data: Ionization energy of Na: 496 kJ/mol
Electron affinity of F: -328 kJ/mol
Energy to vaporize Na: 108 kJ/mol
F₂ bond energy: 160 kJ/mol
Energy change for the reaction:
Na(s) + F₂(g)  NaF(s) ; H = -575 kJ

• A) 931 kJ/mol
• B) -931 kJ/mol
• C) -1011 kJ/mol
• D) 1011 kJ/mol
• E) -851 kJ/mol

Understand the importance of sound medium for sound wave propagation.

Understand the anatomy and names of bones in the ear and their functional connections.

Explore the structure of the inner, middle, and outer ear and their roles in hearing.

Identify the components of the inner ear involved in sound wave transformation to neural impulses.

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