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How to know which compound is more stable if heat of formation values are given .Ans) Every compound tend to stay in lowest energy possible to be more stable, the less the energy it has the more its stable.During formation the more energy it gives out , lesser becomes its own energy, hence more is the stability of compound.
Q. Complexation Behaviour of Group 13? As compared to the elements of Groups 1 and 2, elements of Group 13 show a greater tendency of complex formation. Because of lack of d-or
give exsample on how undesired wavelengths are blocked and desired one is trans mitted
Difference between diagonal relationship between Be and Al
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what is surface chemistry?
Give example of Allotropy The element carbon has two common allotropes: diamond, where the carbon atoms are bonded together in a tetrahedral lattice arrangement, and graphite
Empirical formula Empirical formula of a substance provides the simplest whole number ratio among the atoms of the various elements exist in one molecule of the elements. For i
In a potassium atom, electronic energy levels are in the following order: (1) 4s>3d (2) 4s>4p (3) 4s (4) 4s Ans: 4s
1. Express 95 mg/l of Ca 2+ as milligrams per liter of CaCO 3 . 2. Express 221 mg/l of Ca(HCO 3 ) 2 as equivalents per liter of CaCO 3 . 3. Determine the concentration o
why f elememnts kept sepertaly in periodic table
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