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determination of lattice energy
(a) Starting from a sample of chromate ore, how is potassium dichromate prepared? Explain all the steps included with chemical equations. (b) Write the balanced chemical equatio
Why is Zinc not extracted from ZInc oxide throgh reduction with CO?? Ans) Reducing agent should have more negative ΔG value. In case of zinc oxide ,Zn has more negative ΔG value t
explain why Ni(co)4 is known while Ca(co)4 is not known
what is coulometry
consider the reaction: Mg(s) +2H _Mg(aq)+H2(g).Calculate the standard electrode potential.
Figure states energy differences for the combustion of hydrogen, an exothermic chemical reaction. The combination of oxygen gas and nitrogen gas to form nitrogen monoxide is an exa
Explain Curie point and hystereris? An ordinary piece of iron generally has little or no net magnetic moment. Though, if it is placed in a strong enough external magnetic fie
what are polyfunctional compounds?expalin the nomenclature of polyfunctional organic compounds with examples
The four quantum number for the valence shell electron or last electron of sodium (Z = 11) is: (1) n =1, l= 1, m= -1, s= -1/2 (2) n =3, l=0, m=0, s= +1/2 (3) n =3,
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