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Explain the steps involved in the preparation of either potassium dichromate from sodium chromate or potassium permanganate from manganese dioxide.
Q. Describe Water and Heavy Water? Water, H 2 O, the simple hydride of oxygen is a unique compound. It has extraordinarily high melting and boiling points compared to the other
#What is the proof of formulae for finding Equivalent weight
What is Thermal breakdown It is because of the attainment of an excessive temperature in dielectric. If heat dissipated is less than heat generated, there is a pr
Q. Define the Planck constant? The energy of a photon ( E photon) of a certain frequency (violet) is able to be calculated by using the following equation in which h represen
Askccomparison between caulometry and electrogravimetry question #Minimum 100 words accepted#
What was the calculated ?H value obtained for the reaction NH3 + HCl –› NH4Cl using the thermodynamic data in your lab procedure? The thermodynamic data is: •?H°f for NH3 (aq) = -
In the chemical reaction, Al(s) + CuCl2(aq) --> Cu(s) + AlCl3(aq), why did the Copper turn green after being left for a day?
4. (a) Explain the concept of (i) intrinsic, (ii) n-type, and (iii) p-type semiconductors with the aid of bond diagrams and band diagrams. (b) What is a hole? Using a mathematic
Metal ion configurations in high and low spin octahedral complexes(with)table
DISCOVERY OF SUB-ATOMIC PARTICLES The atomic theory of the Greek philosophers, Leucippus and Democretus (400 B.C.) held that continued subdivision of matter would ultimately yi
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