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At a constant temp. volume is inversly proportional to pressure. This is Boyle's law. But, when u give pressure to a football, how the volume also increases?
1 47542day science says that clouds r formed due to sea(more than 90% sea water in cloud). but when rain starts,,,,the rainy water is sweet while sea (salty)water is salty.....how sea water is converted into sweet water?
1 4358Normally entropy is expressed as q/T. But, work and heat have same unit. Why can't it be replaced by work?
2311why we are carrying standardization of karl fisher auto titrator with water and disodium tartarate.
1 5683During 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.
3142As per X-ray Fluorescence theory, when material particle is irradiated with X-ray the electron of innermost orbital of that element atom is exited and emits outside of the atom as photoelecrons, living behind a hole in innermost orbital . This hole is filled by outer orbital electrons. The question is that finely what happens to that photo electon which is emitted outside of the atom?
1 4349In 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??
2487Sr-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?
6320Post New Physical Chemistry Questions
. 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)
Find out how to make artifacts the maxwell boltzmann theory of gases . ps. I don't speak English that well
Why does the experimental lattice enthalpy of NaI differ greatly from the theoretical lattice enthalpy?
what is allowable limit Of stray light for a spectrophotometer laboratory instruments ?
why athanol-water mixtuere have maximum viscocity in wt% 40?
What is the requirement to give RFlow when using RID detector?
what are UV rays absorbs slightly?
Write the each half cell reaction and also net cell reaction for a cell
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.
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 kind of question can be asked in interview for polarimeter related ?
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??
WHAT IS THE SYLLABUS OO GROUP -I?
Normally entropy is expressed as q/T. But, work and heat have same unit. Why can't it be replaced by work?
what does 50 denote in dowex 50 ????
