atomic structure, Chemistry

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explain dualnature of electron

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Equivalent mass by hydrogen displacemnt, 0.205g of a metal on treatment wit...

0.205g of a metal on treatment with dilute acid gave 106.6ml of hydrogen collected over water at 755mm pressure and 17 degree Celsius. calculate the equivalent mass of the metal. (

Determine the formula of the compound, A compound is prepared by two elemen...

A compound is prepared by two elements N and M. The element N forms ccp structure and atoms of M occupy 1/3rd of tetrahedral voids. Determine the formula of the compound ?

Clark''s method or soap titration method, CLARK'S METHOD OR SOAP TITRATION ...

CLARK'S METHOD OR SOAP TITRATION METHOD: This method depends upon the fact that when soluble soap is added to hard water, constituent of hard water. Ca, Mg and other heavy metals

Volumetric analysis, Volumetric analysis Volumetric analysis is a quan...

Volumetric analysis Volumetric analysis is a quantitative analysis. It includes the measurement of the volume of a known solution needed to bring about the completion of the r

LANTHANIDE & ACTINIDES, 1. why YbS and YbI2 are semiconducting solids but ...

1. why YbS and YbI2 are semiconducting solids but LaS and LaI2 show metallic character. 2. Why is aqueous solution of Eu2+ thermodynamically less susceptible to oxidation than any

Properties of catechol - hydrocarbon, Properties of Catechol 1. Catecho...

Properties of Catechol 1. Catechol is a colourless crystalline solid, its melting points is 105°C. 2. Catechol is soluble in water. 3. Catechol is exaggerated on exposure

Determine chromium has the electronic configuration, Chromium has the elect...

Chromium has the electronic configuration 4s 1 3d 5 rather than4s 2 , 3d 4 because: (1) 4s and 3d  have the same energy (2) 4s  has a higher energy than 3d (3)4s 1   is

Homweoek help, Determine the rate constant from the concentration-time depe...

Determine the rate constant from the concentration-time dependence: Time (s) [Reactant](M) 0.0 0.0451 2.0 0.0421 5.0 0.0376 9.0 0.0316 15 0.0226 Use SI units, that is, seconds fo

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