Answer / suresh

is nothing but spontaneous proces

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)

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what is induction on electrical insulators

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what is allowable limit Of stray light for a spectrophotometer laboratory instruments ?

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how many types of stability in pharma or API industry ?

2 Answers   Unimarck Pharma,

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Give an expression for Ka for ethanoic acid?

3 Answers  

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As 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 Answers   Grasim,

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. 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)

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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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is the temparature effects the solubility of the compound?

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If the H were a classic particle what would be the tunneling probability?

1 Answers  

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What is the brigg's raucher reaction?

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what is earthing?

1 Answers   Marksans Pharma,

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