Use the Data Given Below to Construct a Born-Haber Cycle

question 34

Multiple Choice

Use the data given below to construct a Born-Haber cycle to determine the lattice energy of CaO. DH°(kJ)
Ca(s) → Ca(g) 193
Ca(g) → Ca⁺(g) + e⁻ 590
Ca⁺(g) → Ca²⁺(g) + e⁻ 1010
2 O(g) → O₂(g) -498
O(g) + e⁻ → O⁻(g) -141
O⁻(g) + e⁻ → O²⁻(g) 878
Ca(s) + O₂(g) → CaO(s) -635

• A) -3414 kJ
• B) +1397 kJ
• C) -2667 kJ
• D) +3028 kJ
• E) -2144 kJ

---

Definitions:

Brain Damage

Injury to the brain that impairs its functions, potentially leading to cognitive, physical, emotional, or behavioral impairments.

Limbic System

A sophisticated network of neural pathways and brain regions, located near the cortex's periphery, that is responsible for basic emotional responses and drives, focusing on areas related to mood and instinct.

Marijuana Usage

The act of consuming marijuana, a psychoactive drug from the Cannabis plant, used both medically and recreationally.

Psychotic Symptoms

Manifestations typically associated with psychosis, including delusions, hallucinations, impaired thinking and lack of insight or awareness.