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why are some liquids purified by distillation under reduced pressure
Take these values into account and comment on the relation between the heat of formation of the gases and the vibrational frequencies again.
PERIODIC TABLE and PERIODICITY OF ELEMENT
consider the reaction: Mg(s) +2H _Mg(aq)+H2(g).Calculate the standard electrode potential.
The most important classification of elements is that of non-metallic versus metallic. Metallic elements form solids that are good conductors of electricity, and where bonding is n
The total number of valence electrons in 4.2 gm N - 3 of ion is ( N A is the Avogadro's number): (1) 1.6N A (2) 3.2N A
The uncertainty in momentum of an electron is 1 x 10 -5 kgm/ s . The uncertainity in its position will be( h= 6.63 x 10 -34 Js) : (1) 5.28 x 10 -30 m
preventive measures of priming and foaming
diagrams of f orbitals
We performed a titration in the lab with mock gastric juice and potassium hydroxide. We titrated to end point and then to another colour change and noted both the volumes. We are n
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