SUMMARY
Heating CaCl2*2H2O above 175°C results in the evaporation of water, leading to the formation of an anhydrous salt. At temperatures significantly below 175°C, water vaporizes, leaving behind a solid powdery anhydride. When the temperature approaches or exceeds 175°C, calcium chloride melts, and water escapes as bubbles, resulting in a chunky solid mass of calcium chloride. This process is crucial for understanding the thermal behavior of hydrated salts.
PREREQUISITES
- Understanding of thermal decomposition processes
- Knowledge of hydrated salts and their properties
- Familiarity with phase changes of water
- Basic chemistry concepts related to solubility and evaporation
NEXT STEPS
- Research the thermal decomposition of other hydrated salts
- Learn about the properties and applications of anhydrous calcium chloride
- Investigate the phase diagram of calcium chloride and water mixtures
- Explore methods for controlling temperature in chemical reactions
USEFUL FOR
Chemists, materials scientists, and anyone studying the thermal properties of hydrated compounds and their applications in various industries.