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   Wipro,

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What is unsaponifiable matters?

1 Answers  

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What happens to the solubility of group II Sulphates as you go down the group?

3 Answers  

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what is earthing?

1 Answers   Marksans Pharma,

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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 Answers  

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WHAT IS THE SYLLABUS OO GROUP -I?

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Give an expression for Ka for ethanoic acid?

3 Answers  

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what is the difference between elctrefining and electrolysis?

0 Answers  

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

0 Answers   Ami Organics,

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if water is mixed with mercury what causes with thier suspension property is it increses,decrease or average?

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

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who is minister of railoway

1 Answers   HKL,

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