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why HF can''t be kept in glass bottle
Write one chemical reaction each to show that (a) Tin (II) chloride is a reducing agent. (b) Chlorine gas can be getting from bleaching powder.
why must the mass relative of atom refer to atomic mass of C
When 3.896 grams of a hydrocarbon, CxHy, were burned in a combustion analysis apparatus, 11.40 grams of CO2 and 7.003 grams of H2O were produced. In a separate experiment, the mo
The α -particle scattering experiment of Rutherford concluded that: (1) The nucleus is made up of protons and neutrons (2) The number of electrons is exactly equal to number
Calculate the free energy change of following reaction at298 kelvin H2+I2=2HI if the enthalpy change is 51.8816kj and the entropy change is 166.15j is this reaction thermodyanamica
The frequency of radiation emitted when the electron falls from n= 4 to n=1 in a hydrogen atom will be (Given ionization energy of H = 2.18x 10 -18 J atom-1 and h= 6.625x 10-
theory of NaOH Vs NH4Cl
In the chemical reaction, Al(s) + CuCl2(aq) --> Cu(s) + AlCl3(aq), why did the Copper turn green after being left for a day?
Q. Explain Organic Chemistry and it's compound? Fossil fuels are made of organic compounds. The proteins, carbohydrates and fats in our bodies are also organic compounds. Many
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