moles, Chemistry

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moles

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When a mole of water is formed from h and o atoms, The bond energy of an O-...

The bond energy of an O- H bond is 109 kcal mol 1. When a mole of water is formed from H and O atoms, then 218 kcal is released. Two O-H bonds are there is H2O so 2*109 kcal an

Merits of atomic fluorescence spectrometry technique, Merits of atomic fluo...

Merits of atomic fluorescence spectrometry technique: The merit of the AFS methods lies within the greater sensitivity achievable because of low background and interference.

Describe properties of potassium permanganate., Potassium permanganate is p...

Potassium permanganate is prepared from pyrolusite  (MnO 2 ) . Pyrolusite is fused with KOH in the presence of atmospheric oxygen or an oxidising agent like potassium nitrate or po

Solutions, how can you prepare 20%(v:v),150ml ethanol solution

how can you prepare 20%(v:v),150ml ethanol solution

Show electron dot diagrams for covalent bonds, Q. Show Electron Dot Diagram...

Q. Show Electron Dot Diagrams for Covalent Bonds? Ans. Electron dot diagrams for covalent bonds In covalent bonds, atoms share electrons in such a manner that each atom

Types of addition reactions, Types of addition reactions Addition react...

Types of addition reactions Addition reactions can be categorized into three categories on the basis of the nature of initiating species. (A) Electrophilic additions (B)

Define first law of faraday, The quantity of substance liberated, dissolved...

The quantity of substance liberated, dissolved, or deposited at an electrode is directly proportional to the quantity of electricity passed by the electrolyte.

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