Enthalpy change of solution
Enthalpy Change of Solution
The enthalpy change of solution (ΔH_sol) is the enthalpy change associated with the dissolution of a solute in a solvent to form a solution. It is a specific type of enthalpy change and is a crucial concept in thermodynamics and physical chemistry.
Definition[edit | edit source]
The enthalpy change of solution is defined as the amount of heat absorbed or released when one mole of a solute dissolves in a specified amount of solvent. This process can either be endothermic (absorbing heat) or exothermic (releasing heat), depending on the nature of the solute and solvent involved.
Calculation[edit | edit source]
The enthalpy change of solution can be calculated using the following steps:
1. Lattice Enthalpy (ΔH_lattice): The energy required to break the ionic bonds in the solute. 2. Hydration Enthalpy (ΔH_hydration): The energy released when the ions are surrounded by water molecules.
The overall enthalpy change of solution is given by:
ΔH_sol = ΔH_lattice + ΔH_hydration
Factors Affecting Enthalpy Change of Solution[edit | edit source]
Several factors can influence the enthalpy change of solution, including:
- Nature of the Solute and Solvent: Different substances have different lattice and hydration enthalpies.
- Temperature: The solubility and enthalpy change can vary with temperature.
- Pressure: For gases, pressure can significantly affect solubility and enthalpy change.
Applications[edit | edit source]
Understanding the enthalpy change of solution is essential in various fields such as:
- Pharmaceuticals: For drug formulation and solubility studies.
- Chemical Engineering: In designing processes involving dissolution.
- Environmental Science: For understanding the dissolution of pollutants.
Related Concepts[edit | edit source]
See Also[edit | edit source]
References[edit | edit source]
External Links[edit | edit source]
Search WikiMD
Ad.Tired of being Overweight? Try W8MD's physician weight loss program.
Semaglutide (Ozempic / Wegovy and Tirzepatide (Mounjaro / Zepbound) available.
Advertise on WikiMD
|
WikiMD's Wellness Encyclopedia |
| Let Food Be Thy Medicine Medicine Thy Food - Hippocrates |
Translate this page: - East Asian
中文,
日本,
한국어,
South Asian
हिन्दी,
தமிழ்,
తెలుగు,
Urdu,
ಕನ್ನಡ,
Southeast Asian
Indonesian,
Vietnamese,
Thai,
မြန်မာဘာသာ,
বাংলা
European
español,
Deutsch,
français,
Greek,
português do Brasil,
polski,
română,
русский,
Nederlands,
norsk,
svenska,
suomi,
Italian
Middle Eastern & African
عربى,
Turkish,
Persian,
Hebrew,
Afrikaans,
isiZulu,
Kiswahili,
Other
Bulgarian,
Hungarian,
Czech,
Swedish,
മലയാളം,
मराठी,
ਪੰਜਾਬੀ,
ગુજરાતી,
Portuguese,
Ukrainian
Medical Disclaimer: WikiMD is not a substitute for professional medical advice. The information on WikiMD is provided as an information resource only, may be incorrect, outdated or misleading, and is not to be used or relied on for any diagnostic or treatment purposes. Please consult your health care provider before making any healthcare decisions or for guidance about a specific medical condition. WikiMD expressly disclaims responsibility, and shall have no liability, for any damages, loss, injury, or liability whatsoever suffered as a result of your reliance on the information contained in this site. By visiting this site you agree to the foregoing terms and conditions, which may from time to time be changed or supplemented by WikiMD. If you do not agree to the foregoing terms and conditions, you should not enter or use this site. See full disclaimer.
Credits:Most images are courtesy of Wikimedia commons, and templates Wikipedia, licensed under CC BY SA or similar.
Contributors: Prab R. Tumpati, MD
