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verirification of law of chemical combination
Q1: The complexes of Fe +2 with 1, 10- phenanthroline has a molar absorptivity of about 11,000 L/mol cm in water at 510 nm. A 20 ml water sample thought to contain Fe +2 is mix
If hydrogen atom is in an energy level represented by n=4,how many spectral lines are possible in its emission spectrum? Ans) There is a formula for this i.e [ (n 2- n 1 +1)
According to Collision theory a chemical reaction takes place due to collision between the particles of these reactants. The number of reacting species (atoms, ions or molecules) w
give an example of tri atomic gass
A solution contains an unknown amount of osmium at the µg/g level, or below. Chemically pure osmium (Os) may be separated from the solution, but the chemical yields are variable an
Q.How can we determine Concentrations of Solutions? Ans. The concentration of a solution is the quantitative expression of the amount of solute dissolved in the solution.
Q. Explain Specific Heat and caluclate amount of heat transferred? Ans. The amount of heat transferred to a substance depends on three things: a) amount of the substance
Wavelength associated with electron motion: (1) Increases with increase in speed of electron (2)Remains same irrespective of speed of electron (3) Decreases with increa
what evidence is there that all cells have a common ancestor?
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