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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 46522day 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 4280Normally entropy is expressed as q/T. But, work and heat have same unit. Why can't it be replaced by work?
2258why we are carrying standardization of karl fisher auto titrator with water and disodium tartarate.
1 5594During 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.
3076As 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 4238In 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??
2427Sr-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?
6249Post New Physical Chemistry Questions
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.
what is the difference between elctrefining and electrolysis?
why athanol-water mixtuere have maximum viscocity in wt% 40?
Find out how to make artifacts the maxwell boltzmann theory of gases . ps. I don't speak English that well
what are UV rays absorbs slightly?
WHAT IS THE SYLLABUS OO GROUP -I?
what kind of question can be asked in interview for polarimeter related ?
How to accelerate electron capture decay?
what is allowable limit Of stray light for a spectrophotometer laboratory instruments ?
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 does 50 denote in dowex 50 ????
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??
How can be set a responds factor for evaluating a unknown impurity by HPLC
what kind of question can be asked in interview for UV- VISIBLE & give me answer ?
What can be the supporter of combustion except oxygen.
