rayon., Chemistry

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what is rayon?what are the things made of it?

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factors affecting TLC in points

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metals iron, aluminium, copper, gold, etc. have great industrial significants. which are their important ores? important alloys of iron, aluminium and copper and their uses.

The bohr orbit radius for the hydrogen atom, The Bohr orbit radius for the ...

The Bohr orbit radius for the hydrogen atom (n=1)   is approximately  0.530 Å . The radius for the first excited state (n=2)  orbit is: (1) 0.13Å

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Q. Describe Gibbs Free Energy and Spontaneity? Ans. This is the end of the quest to find spontaneity.  Free Energy, or Gibbs Free Energy is a quantity which balances the r

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Q. What do you mean by Isotopes? Isotopes and mass number although all atoms of an element have the same number of protons most elements have atoms with different numbers of ne

Many ionic crystals dissolve, Many ionic crystals dissolve in water because...

Many ionic crystals dissolve in water because: (1) Water is an amphiprotic solvent (2)Water is a high boiling liquid (3) The process is accompanied by a positive heat of

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How do i calculate the number of grams of CO that can react with .150kg of Fe2O3?

Assingment, introduction of chemical bond

introduction of chemical bond

Two dimensional potential , A particle is in the two dimensional potential ...

A particle is in the two dimensional potential well (V(x,y) =  ∞ for the outside of the well, V(x,y) = 0 for the inside of the well. (a)  Starting with the shrodinger equation,

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