Homogenous Equilibria
Chapter Name : Equilibrium |
Sub Topic Code : 102_11_07_05_01 |
Topic Name : Homogenous Equilibria |
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Sub Topic Name : Equilibrium Constant In Gaseous Systems |
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Introduction
• For reactions involving gases, it is usually more convenient to express the equilibrium constant in terms of partial pressure. At constant temperature, the pressure of the gas is directly proportional to its concentration i.e. • It is necessary that while calculating the value of Kp, pressure should be expressed in bar because standard state for pressure is 1 bar.
Pre-Requisites:
Solid, gases, reactants, products
Activity:
• When a soda water bottle is opened, some of the carbon dioxide gas dissolved in it fizzes out rapidly.
Key Words / FlashCards
| Key Words | Definitions (pref. in our own words) |
|---|---|
| Equilibrium mixture | A mixture of reactants and products in the equilibrium state is called an equilibrium mixture. |
Learning aids / Gadgets
| Gadgets | How it can be used |
|---|---|
| thermos | • Thermos depicts a closed system. |
Places to visit :
Kitchen.
Practical examples around us
| Examples | Explainations |
|---|---|
| Soda bottle | • When a soda water bottle is opened, some of the carbon dioxide gas dissolved in it fizzes out rapidly. • The phenomenon arises due to difference in solubility of carbon dioxide at different pressures. |
What you learn in Theory:
• For reactions involving gases, it is usually more convenient to express the equilibrium constant in terms of partial pressure. At constant temperature, the pressure of the gas is directly proportional to its concentration i.e. • It is necessary that while calculating the value of Kp, pressure should be expressed in bar because standard state for pressure is 1 bar.
What you learn in Practice:
• For reactions involving gases, it is usually more convenient to express the equilibrium constant in terms of partial pressure. At constant temperature, the pressure of the gas is directly proportional to its concentration i.e. • It is necessary that while calculating the value of Kp, pressure should be expressed in bar because standard state for pressure is 1 bar.