Answer Posted / alias

hi, u can gt the absorbancies from ths reely good table
here.. http://omlc.ogi.edu/spectra/mb/mb-water.html

thanks.

:)

. Given that 2Hg2+ (aq) + 2 e- Hg22+(aq) E0 =0.92V Hg22+ (aq) + 2 e- 2Hg(l) E0 =0.85V Calculate standard free energy change and K for the following process at 25oC Hg22+(aq) Hg2+ (aq) + Hg(l)

6701

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Why does the experimental lattice enthalpy of NaI differ greatly from the theoretical lattice enthalpy?

3466

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Normally entropy is expressed as q/T. But, work and heat have same unit. Why can't it be replaced by work?

2305

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WHAT IS THE SYLLABUS OO GROUP -I?

2422

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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?

2712

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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?

6314

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Write the each half cell reaction and also net cell reaction for a cell

2967

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During Soundness testing of Cement by Lechatelier method the Cement mould expands about 20 mm when merged in curing water for 24 hours after mould preparation.In that Cement MgO content is about 3.0%,SO3 is about 2.6% & Blaine is about 360 M2/Kg.Guess the reason & suggest solution.

3135

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The rate constant for the second order reaction is 0.54/M.s at 300oC. How long (in sec) would it take for the concentration of NO2 to decrease from 0.62M to 0.28 M? 2NO2(g) 2 NO(g) + O2(g)

2642

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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??

2480

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what does 50 denote in dowex 50 ????

2611

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How can be set a responds factor for evaluating a unknown impurity by HPLC

2454

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what is allowable limit Of stray light for a spectrophotometer laboratory instruments ?

1564

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What is the brigg's raucher reaction?

2381

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a sample of gas occupies a volume of {450.0 ml}at {740 mm Hg}and[16C]determine the volume of this same sample at [760 mm Hg]and [37c]?

5071

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