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.

3142

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]?

5077

What is the requirement to give RFlow when using RID detector?

3138

what kind of question can be asked in interview for polarimeter related ?

5245

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

2461

what does 50 denote in dowex 50 ????

2617

. 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)

6706

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?

6320

what kind of question can be asked in interview for UV- VISIBLE & give me answer ?

3891

what is the difference between elctrefining and electrolysis?

2305

4 Identify the substance oxidized, reduced, oxidizing agent and reducing agent for the following reactions

2537

what is induction on electrical insulators

2364

What is the brigg's raucher reaction?

2388

Find out how to make artifacts the maxwell boltzmann theory of gases . ps. I don't speak English that well

1655

How to accelerate electron capture decay?

2420