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#question;atom
name and chemical formula of blue vitriol
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
Haber-Bosch Process Ammonia is one of the most significant intermediates. It is used, for example, for the production of fertilizers. Usually, ammonia is formed from hydrogen a
The first use of quantum theory to explain the structure of atom was made by: (1) Heisenberg (2 )Bohr (3) Planck (4) Einstein Ans: Bohr
Q. What do you mean by electro-magnetic radiation? In the untimely twentieth century scientists accepted the idea that an atom consisted of a massive positively charged nucleus
240 g of water at 20 degree C are mixed with a sample of iron at 500 degree C. The final temperature of the system is 42 degree C. Find the mass of the iron sample
Preservatives: The preservatives avoid spoilage of food because of microbial expansion. The most common preservative employed is sodium benzoate; C 6 H 5 COON a It is metabol
similarities between the latter actinides and latter lanthanides
need to know common methods of preparing acetone/propanone. Need to include chemical equation for reaction that produces that molecule.
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