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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%
Steam supply for experiments in heat A tin with a press-on lid may be used to make a steam can. Punch two holes in the lid and solder by them one long and one short pip
concentration on acetic acid
how many laws of crystallography?
example of two component with different composition
Why do zinc hydroxide, aluminium hydroxide and lead (II) hydroxide dissolve in excess aqueous sodium hydroxide?
complete reaction
Q. Mention the role of insoluble fibres from wheat bran? The insoluble fibres from the wheat bran are resistant to fermentation by colonic bacteria and increase fecal bulk by r
Q. Show the chemical properties of Aluminium? Aluminium has a very high affinity for oxygen; this is reflected in high exothermic heat of formation of Al 2 0 3 (-1676 kJ mol -
(i) Assign appropriate reason for each of observations: (a) Anhydrous ALCI is used as a catalyst. (b) Phosphinic acid behaves as a monoprotic acid. (c) SF6 is not easily h
OUTLINE AND EXPLAIN THE LIMITATIONS OF VBT
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