CBSE Class 11-science Answered
hydration enthalpy
Asked by ankit malhotra | 09 Nov, 2013, 12:49: PM
Expert Answer
- This is the energy change when 1 mole of a gaseous species dissolves in an infinite volume of water.
- It is caused by the solvent water molecules bonding to the dissolving species.
- It is always an exothermic process as bonds are being formed.
Example: The hydration enthalpy of the sodium ion
Na+(g) + (aq) Na+(aq) ?H = -405 kJ mol-1
Answered by Vaibhav Chavan | 11 Nov, 2013, 11:23: AM
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