Enthalpies Of Different Types Of Reactions
Chapter Name : Thermodynamics |
Sub Topic Code : 102_11_06_05_04 |
Topic Name : Enthalpies Of Different Types Of Reactions |
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Sub Topic Name : Enthalpy Of Solution |
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Introduction
• Enthalpy of solution of a substance is the enthalpy change when one mole of it dissolves in a specified amount of solvent.
Pre-Requisites:
Enthalpy, solution
Activity:
Salt dissolves easily in hot water.
Real Life Question:
Why does salt dissolve easily in water when water is hot?
Key Words / FlashCards
| Key Words | Definitions (pref. in our own words) |
|---|---|
| Enthalpy of solution | • Enthalpy of solution of a substance is the enthalpy change when one mole of it dissolves in a specified amount of solvent. |
Learning aids / Gadgets
| Gadgets | How it can be used |
|---|---|
| stick | Energy is required to break a stick. |
Real life uses :
Fast Dissolving salt in hot water requires heat.
Places to visit :
Dissolving salt in hot water.
Practical examples around us
| Examples | Explainations |
|---|---|
| Dissolve salt in hot water | Dissolving salt in hot water is easier as the enthalpy of solution is high and salvation is an endothermic process. |
What you learn in Theory:
• Enthalpy of solution of a substance is the enthalpy change when one mole of it dissolves in a specified amount of solvent.
What you learn in Practice:
Energy is required to break bonds.