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Calculate the ratio of d number of molecules in two energy levels at 27''c given E2=9.75x10"-13erg/mol E1=6.95X10"-13erg/mol g1=2 g2=3
what is an acid
Q. Show the solubility of double salts? The solubility of double salts of lanthanides such as 2Ln (N0 3 ).3Mg (N0 3 ) 2 .24H 2 0 and Ln2 (S0 4 ) 3 . Na 2 S0 4 .xH 2 0 increase
alkali metals belong to s-block in the periodic table ,why?
Aluminium metal is frequently used as a reducing agent for the extraction of metals such as Chromium, Manganese etc. Explain why? Ans) The free energy change for the formation o
Q. What are the Physical Properties of Halogens? Ans. The halogens exist as diatomic molecules held together by a single bond. Reactivity becomes less as you move down
Polymerization The tendency of many molecules to aggregate and form dimmers (e.g. Al2Cl6 2), extended polymeric, or larger oligomers structures can be regarded as a donor-accep
Q. Determine the total ash content in flour? After undertaking this activity, you will be able to: • assess the mineral content in the given sample of flour, • check th
maximum 200 problems
what is potassium
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