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A 64-g sample of germanium-66 is left undisturbed for 12.5 hours. At the end of that period, only 2.0 g remain. What is the half-life of this material? 4. With a half-life of 28.8
Bromination of Toluene in presence of light or heat gives benzyl chloride, but chlorination of benzene in presence of light gives benzene hexachloride. Why?
Iodine value - Analysis of oils and fats Iodine value of a oil or fat is a measure of its amount of unsaturation. It is proved as the number of grams of iodine taken up by 100
For a reversible process involving ideal gases in a closed system, show that ΔS = C v ln(T2/T1) for a constant volume process ΔS = Cp ln(T2/T1) for a constant pressure proc
Q. What are Hexahalides? Hexahalides: S, Se-and Te react with excess of fluorine to give the corresponding hexafluorides. Fluorine being the most electronegative oxidises the
Liquid-liquid extraction is used to separate acetone and MIBK. A mixture of acetone and MIBK is fed to a mixing tank at a rate of 100 kg/min. Pure water is also fed to the tank and
What is Banana bond? Diborane contains how many banana bonds Ans) In Diborane B-H-B, bridge, which is produced by the sharing of two electrons, is known as banana bond or Tau bo
Decomposition Metal Hydrogen Carbonate Cu(HCO 3 ) 2 . Decomposition Metal Hydrogen Carbonate
Q. What are the uses of Oxygen? Oxygen is essential for life. Most life processes are based on oxidative metabolism: While the terrestrial beings take up oxygen through respira
Determine the purpose of Quenching Quenching is most generally used to harden steel by introducing martensite, in which case steel should be rapidly cooled through its eutect
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