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Q. What do you mean by Rounding off numbers?
Rounding off numbers while you report a calculation your answer should have no more significant figures than the piece of data you used in your computation with the fewest number of significant figures. Therefore if you calculate the density of an object with a mass of 12.33 g in addition to a volume of 19.1 cm3 your answer must have only three significant figures. Though when you divide these quantities using your calculator it will show 0.6455497-lots more figures than you can report in your answer. You must round off the number to three significant figures or 0.646.
Sketch the various n-butane and discuss their relative stabilities.Draw the potential energy curve as a function of torsion angles.
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what are the applications of radioactivity in forensics, agriculture, medicine, engineering, and geology
Condensers are an integral part of a distillation process. As we have seen, the vapor feed from the distillation column can enter either a partial condenser or a complete condenser
Refer to diagram A, which describes the system formed by water-ethanol mixtures at 1 atm pressure, but is not drawn to scale. Industrial ethanol production results in the lowest-b
Reactions of Benzene Nucleus - Nitration Phenol reacts along with dilute nitric acid at 5-10°C to form ortho and para nitro phenols, although the yield is meager because of oxi
Tests of chloroform (a) It gives isocyanide test (Carbylamine test). (b) It makes silver mirror with Tollen's reagent. (c) Pure Chloroform does not give white precipitate
show the nomenclature of polyfunctional group
Explain the properties of ionic bonding
Aromaticity or aromatic character The characteristic behaviour of aromatic compounds is termed as aromaticity. Aromaticity is due to the extensive delocalisation of p-electron
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