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What is heat atomisatin? Solution : Heat of atomisation or enthalpy of atomisation is the energy required to dissociate one mole of a given substance into atoms.
Calculate the ideal rM/rX ratio for cation-anion and anion-anion contacts of an octahedral arrangement of anions around a cation as show in one plane in the figure below.
Many ionic crystals dissolve in water because: (1) Water is an amphiprotic solvent (2)Water is a high boiling liquid (3) The process is accompanied by a positive heat of
a. 'Hormones are chemical messengers.' Explain? b. Name the main disease caused due to lack of the vitamin and its source in each of the following: A, B 6 and E.
Semisynthetic polymers These polymers are mainly derived from naturally taking place polymers by chemical changes. Since cellulose is naturally taking place polymers, cellulose
Use the VSEPR model to predict approximate molecular geometries and electron-domain for the following species. (a) XeF 2 , (b) NH3Cl + , (c) BrO2 -
Q. What do you mean by Solids Non-Fat? Solid non-fat is an important criterion of milk selection for further processing. Milk solids non-fat would include the nitrogenous subst
Action of grignard reagents on carbonyl compounds with examples
Q. Determine the frequency of light wave? Ans. The wavelength of red light is 7.0 x 10 -7 m. What is the frequency? c = λv The first thing to remember here is that
Why do zinc hydroxide, aluminium hydroxide and lead (II) hydroxide dissolve in excess aqueous sodium hydroxide?
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