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If the water molecules in 1g of water were uniformly distributed on earth surface , how many such water molecules would there be in 1 cm^2 of earth?Solution) No. of molecules in 1g of water : (1/18)*6.023x10^23 = 3.34 * 10^22.Area of earth ( consider it a sphere ) = 4x3.14x6400*10^5 cmTherefore your answer = 6.023x10^23/(8.03x10^9) = 7.5x10^13
Positronium consists of an electron and a positron (a particle which has the same mass as an electron, but opposite charge) orbiting round their common centre of mass. Calculate th
Formic Acid or Methanoic acid (HCOOH) Formic acid is the very first member of monocarboxylic acids series. It takes place in the sting of bees, wasps, red ants, stinging nettle
Electrocatalysis is a branch of electrochemistry dealing with anodically and cathodically induced radical reaction mechanisms utilizing the electrochemical reactivity of an organom
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HYDROGEN Hydrogen is the natural element in the Universe and is a major constituent of stars. It is relatively much less common on Earth but nevertheless forms nearly 1% by mass
What is happen whenever H2SO4+HNO3 adding to the phenol.give the reaction Ans) Phenol + HNO3(in prescence of sulphuric acid) --> 2-nitrophenol + 4-nitrophenol.
dithiazone.
I HAVE TO PREPARE A ASSIGNMENT ON LIQUID CRYSTAL. AND I WANT TO MAKE IT DIFFERENT FROM OTHER, ACTUALLY I GOT THE MATTER FROM OUR BOOK BUT OUR TEACHER SAID THAT YOU DON''T HAVE TO C
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