What can be the supporter of combustion except oxygen.

2815

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

5189

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?

6249

what does 50 denote in dowex 50 ????

2570

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]?

5027

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

3848

. 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)

6644

what is induction on electrical insulators

2319

WHAT IS THE SYLLABUS OO GROUP -I?

2331

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?

2658

what is the difference between elctrefining and electrolysis?

2247

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.

3076

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??

2427

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

3418

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

2258