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Yogita Ingle 6 years, 8 months ago
Aryl halides are the compounds that contain halogen atom directly attached to the benzene ring. They have general formula ArX.
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Yogita Ingle 6 years, 8 months ago
The intermolecular force of attraction make the particles of solid closely packed and force them to only oscillate at their fixed positions. These give solids a definite volume. he particles of solids are close packed and can only oscillate about their fixed positions. These properties make solids rigid.
Posted by Abhi Kumar 6 years, 8 months ago
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Yogita Ingle 6 years, 8 months ago
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Packing faction or Packing efficiency is the percentage of total space filled by the particles.
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Both hcp & ccp though different in form are equally efficient. They occupy the maximum possible space which is about 74% of the available volume. Hence they are called closest packing.
- Packing Efficiency ={tex} \frac{Volume\ occupied\ by\ all\ the\ spheres\ in \ unit\ cell}{Total\ volume\ of\ the\ unit\ cell}\times 100{/tex}
Posted by Hritik Kumar 6 years, 8 months ago
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Yogita Ingle 6 years, 8 months ago
Raoult’s law
- Raoult’s law establishes a quantitative relationship between the partial vapour pressure and mole fraction of a solution.
- This law is only for liquid-liquid solution.
- The law states that for a solution of volatile liquids, the partial vapour pressure (p) of each component in the solution is directly proportional to its mole fraction (x).
- Mathematically, p ∝ x
Or p = p 0x
Where p0 is the vapour pressure of pure component at the same temperature.
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Čůťê Ğīřł ? ? 6 years, 8 months ago
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Gaurav Seth 6 years, 8 months ago
Henry's law only applies for sufficiently dilute solutions.The range of concentrations in which it applies becomes narrower the more the system diverges from ideal behavior.
It also applies simply for solutions where the solvent does not react chemically with the gas being dissolved.A common example of a gas that does react with the solvent is carbon dioxide,which forms carbonic acid(H2CO3)to a certain degree with water.
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Yogita Ingle 6 years, 8 months ago
Initial pH = 1, i.e. [H+] = 0.1 mole/litre
New pH = 2, i.e. [H+] = 0.01 mole/litre
In case of dilution: M1V1= M2V2
0.1 ×1 =0.01 × V2
V2= 10 litre.
Volume of water added = 9 litre.
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Janvi Dubey 6 years, 8 months ago
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