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.

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

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how many types of stability in pharma or API industry ?

2 Answers   Unimarck Pharma,

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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?

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what is an Amphipathic protein?

3 Answers  

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. 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)

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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?

0 Answers   Wipro,

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what is earthing?

1 Answers   Marksans Pharma,

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What can be the supporter of combustion except oxygen.

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How do you measure order of reaction?

2 Answers  

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How the value of Absorbance and molar extinction coefficient are caluculated?

2 Answers   Panacea,

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Why water is not detected in GC & solvents are not detected in HPLC?

1 Answers   Alkem Labs,

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