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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.
Electrochemicalseries table
Draw the IR spectra of pyridine
Q. What is Spontaneous reactions? Ans. Spontaneous reactions can occur under specific conditions without any assistance. Most of the reactions you know are spontaneous r
# objective for the lesson plan
sho me the s p d f orbitals shape
What is meant by entropy driven reaction? How can a reaction with positive changes of enthalpy and entropy are made entropy driven
Q. Show the chemical properties of Uranium? Uranium is mainly extracted from pitchblende. The concentrated ore (pitchblende, U 3 O 8 ) is washed and then fused with sodium nitr
A Tris buffer at pH 6.0 (here "Tris" is a nickname use for Tris hydroxymethyl amino methane). For the given pK A table is Tris a compound you would select for a buffer at pH 6.0?
How do you explain in the absence of aldehyde group in the pentaacetate of d- glucose Solution) If we add fehling''s solution to D glucose pentaacetate ,no reaction takes place w
conformity test of basic radicles in salt analysis
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