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
- 5714 Views
- Wipro, I also Faced
- E-Mail Answers
No Answer is Posted For this Question
Be the First to Post Answer
why silica absorb in mix bed resins in D M plant.
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)
Write the each half cell reaction and also net cell reaction for a cell
what kind of question can be asked in interview for UV- VISIBLE & give me answer ?
Why water is not detected in GC & solvents are not detected in HPLC?
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.
2day 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?
What can be the supporter of combustion except oxygen.
Find out how to make artifacts the maxwell boltzmann theory of gases . ps. I don't speak English that well
WHAT IS THE SYLLABUS OO GROUP -I?
Find out how to make artifacts the maxwell boltzmann theory of gases.
what can saybolt viscometer do?
Organic Chemistry 
