Enthalpy of Solution, Enthalpy of Hydration, Lattice Energy and Heat of Formation - Chemistry

This chemistry video tutorial provides a basic introduction into enthalpy of solution and enthalpy of hydration. It explains how to calculate the enthalpy of solution given the enthalpy of hydration and the lattice energy of an ionic compound. It also discusses how to calculate the enthalpy of solution using heat of formation values also known as enthalpy of formation.
Heating Curve of Water:
• Heating Curve and Cool...
Heating Curve Chemistry Problems:
• How Much Thermal Energ...
Final Temperature - Ice Water Mixture:
• Final Temperature of I...
Molarity, Molality, Density, & Mass %:
• Molarity, Molality, Vo...
Normality & Equivalent Weight:
• How To Calculate Norma...
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PPM and PPB Concentrations:
• Parts Per Million (ppm...
How To Convert PPM to Molarity:
• How To Convert PPM to ...
Enthalpy of Solution & Hydration:
• Enthalpy of Solution, ...
Solubility Vs Concentration:
• Solubility vs Concentr...
Solubility Curves:
• Solubility Curves - Ba...
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Henry's Law & Gas Solubility:
• Henry's Law Explained ...
Vapor Pressure & Clausius Equation:
• Vapor Pressure - Norma...
Raoult's Law - Vapor Pressure:
• Raoult's Law - How To ...
Colligative Properties:
• Colligative Properties...
Chemical Kinetics Initial Rate Method:
• Chemical Kinetics - In...
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Just click off to the side a little...

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Can anyone teach me how to calculate the J/mol required for the dissolution of Ammonium Chloride?

[@kininagothu2526]

So delta H 2 and delta H 3 stand for amount of energy for dissolving Na+ in water and amount of energy for dissolving Cl- in water?

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[@thabisombingo9649]

Are u saying whe you add salt to water the temperature of the water increases?

[@kamilayussupova2923]

I heard that lattice energy can not be measured practically, but can be estimated by calculations. What about solvation energy? Can we find values empirically?

[@anantika6730]

Can someone please clear my one doubt i.e when enthalpy of hydration of the nacl is given then do we need to consider the enthalpy of hydration of each gaseous ions forms it

[@utkarshchoudhary5532]

What is heat of hydration.?

[@bleblebleyou]

i thought bond-breaking was releasing energy and bonds forming was absorbing energy

[@vedavalliv9597]

If the solvation of NaCl is endothermic.. then why solvation of LiCl is exothermic? Can anyone clear my doubt??

[@alexchase3661]

I believe the explanation is: enthalpy of solution of Li+ ions is much more positive as they are smaller atoms so have a greater affinity for the delta negative oxygen atoms in the water

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Actually its the salt dissolving which releases heat that melts the ice

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[@Brian-pf6yb]

delta h1 is just lattice energy i'm pretty sure he got it backwards.

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in the second step you’re not actually breaking what’s actually happening is just weakening of bonds in the water

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