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If the velocity of hydrogen molecule is 5x 10 4 cm sec -1 then its de-Broglie wavelength is: (1) 2 Å (2) 4 Å (3) 8 Å (4)100 Å Ans: 4 Å
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
The total number of orbitals in an energy level designated by principal quantum number n is equal to: (1) 2n (2) 2n 2 (3) n
Number of unpaired electrons in Mn 4+ is: (1) 3 (2) 5 (3) 6 (4) 4 Ans: 3
Factor of affecting conductions
?H value obtained for the reaction NH3 + HCl –› NH4Cl using the thermodynamic data in your lab procedure?
what the uses of NH4Cl,NH4OH and HCL,H2S in qualitative analysis?
Hi. I''m in year 11 and writing a chemistry report on the concentration of HCl in brick cleaner. The product I''ve chosen is a 20L solution of HCl, 30% HCl. I have to find the conc
Soaps - Oils and fats Soaps are the metallic salts of higher fatty acids like stearic, palmitic, oleic, etc. The potassium and sodium salts are the common soaps that are solubl
x gram of metal reacts with chlorine to form y gram of metal chloride.calculate equivalent mass of metal.
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