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Solid xenon forms crystals with a face centered unit cell that has an edge of 620 pm.1. calculate the atomic radius of xenon.2. calculate the packing efficiency if xenon. Solution) 1) For fcc, edge = √8rTherefore, 620 = 2.82*ri.e., r = 620/2.82 = 219.86 pm2) For fcc, packing efficiency = 74%
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
dry air near sea level has the following composition by volume N2=78.08 percent,O2=20.94 percent. Calculate the partial pressure of each gas if atmospheric pressure is 1.00 atm
Explain significance of orthogonality rule
Q. Explain about Pyrometallurgy? Tri pyrometallurgy, the concentrated ore is heated up to a high temperature and reduction is done with a appropriate reducing agent. The differ
What is the diagonal relationship between Beryllium and Aluminium
Write a list of reduction half reactions for... Fe, Fe+3 Cu, Cu+1 Pb, Pb+2
Question 1: (i) With the aid of a diagram, briefly explain the natural environmental system. (ii) Explain the green house effect, and give 2 examples of green house gases
The Bohr orbit radius for the hydrogen atom (n=1) is approximately 0.530 Å . The radius for the first excited state (n=2) orbit is: (1) 0.13Å
Benzene hexa chloride reaction
How is a peptide bond made through dehydration, and show it in a chemical equation, please.
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