The Heat of Solution of Calcium Chloride CaCl₂ Is -82

question 26

Short Answer

The heat of solution of calcium chloride CaCl₂ is -82.8 kJ/mol, and the combined heats of hydration of 1.00 mole of gaseous calcium ions and 2.00 mole of gaseous chloride ions is -2327 kJ.What is the lattice energy of calcium chloride?

---

Definitions:

Castration

The removal of the testicles in males or ovaries in females, which drastically reduces hormone production, affecting reproduction and secondary sexual characteristics.

Hans Selye

A pioneering Hungarian endocrinologist who identified the stress response as having three stages: alarm, resistance, and exhaustion.

Stress

The body's response to any demand or challenge, ranging from minor daily pressures to major life events, which can affect mental and physical health.

Warm Climate

A warm climate is characterized by high average temperatures and often includes tropical and subtropical zones.