The use of vermilion on rubric of the Tartar Relation is
confirmed by the presence of three lines attributed to HgS.
Why should this diatomic have more than one vibrational
line?
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In testing of Cement the formula for water requirement for setting time is as below- Water required for setting time = NC x 0.85 The question is that what is the logic of 0.85 in this formula??
why the atomic weights are in fractions?
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Sr-90, a radioactive isotope, is a major product of an atomic bomb explosion. It has a half life of 28.1 year. Calculate the first order rate constant for this nuclear decay and the fraction of 90Sr that remains after 10 half lives?