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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.
How to accelerate electron capture decay?
what does 50 denote in dowex 50 ????
. 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)
what kind of question can be asked in interview for polarimeter related ?
Normally entropy is expressed as q/T. But, work and heat have same unit. Why can't it be replaced by work?
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Why does the experimental lattice enthalpy of NaI differ greatly from the theoretical lattice enthalpy?
4 Identify the substance oxidized, reduced, oxidizing agent and reducing agent for the following reactions
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]?
what is induction on electrical insulators
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Write the each half cell reaction and also net cell reaction for a cell
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)
what is the difference between elctrefining and electrolysis?
