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The electron density between 1s and 2s orbital is:
(1) High
(2) Low
(3) Zero
(4)None of these
Ans:Zero
cataylast
Environmental pollution: Soil, water and air pollution
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
Equivalent weigjt of potash alum
Consider a 2-component system of cyclooctane(1) and styrene(2) at 350 °C. Both component can be well described with the Soave-Redlich-Kwong equation of state in the mixed vapor and
what are the methods of expressing the mathematical concentration of solutions.?
For">http://imageshack.us/photo/my-images/213/chemistyr.png/ For these structures? I''m not sure how to answer it.
Q. What are the properties of water? Ans. Water is a colorless, odorless, tasteless liquid with a melting and freezing point of 0 o C and a boiling point of 100 o C at 1 a
Physical properties of Benzaldehyde (a) It is a colourless oily liquid. The boiling point of it is 179° C. (b) Benzaldehyde has smell of bitter almonds. (c) Benzaldehyde
Metallic Acetates - Acetic Acid For making several useful metallic acetates, illustrated as: (1) Basic copper acetate that is used for making green paints. (2) Al, Fe and
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