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Show that for any first order reaction, ...

Show that for any first order reaction, the time required for the completion of 99.9% of the reaction is 10times the half-life of the reaction.

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For a first order reaction, the ratio of time for the completion of 99.9% and half of the reaction is

Show that time required for the completion of 99% of the first order reaction is twice the 90% of completion of the reaction.

If the rate constant for a first order reaction is k, the time (t) required for the completion of 99% of the reaction is given by :

MOTION-CLASSROOM PROBLEMS -Radioactivity
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  2. The half life of .^(212)Pb is 10.6 hour. It undergoes decay to its dau...

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  3. A radiaocatice isotope is being produced at a constant rate X. Half-li...

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  4. Show that for any first order reaction, the time required for the comp...

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  5. Half-life of a radioactive substance A is two times the half-life of a...

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  6. If the rate constant for the disintegration of a radioactive nucleus i...

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  7. 1 mg radium has 2.68 xx 10^(18) atoms. Its half-life is 1620 years. Ho...

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  8. A certain radio isotope .(Z)X^(A) (half life = 10 days) decays to giv...

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  9. A radioisotope .(Z)A^(m) (t(1//2) = 10 days) decays to give .(z - 6)B^...

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  10. .(19)K^(40) consists of 0.012% potassium in nature. The human body con...

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  11. The sun radiates energy at the rate of 4xx10^(26) joule sec^(-1). If t...

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  12. A sample of radioactive substance shows an intensity of 2.3 millicurie...

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  13. One gram of .(79)Au^(198) (t(1//2) = 65hr) decays by beta- emission to...

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  14. .(92)^(238)U by successive radioactive decays changes to .(82)^(206) P...

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  15. A sample of pitchblende is found to contain 50% uranium and 2.425% of ...

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  16. A radioactive isotope X with half-life of 693xx10^(9) years decay to Y...

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  17. Calculate the mass of C^(14) (half life =5720 years) atoms give 3.7xx1...

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  18. Binding energy per nucleus of .(1)^(2)H and .(2)^(4)He are 1.1 MeV and...

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  19. Calculate the energy asociated with the following nuclear reaction: ...

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  20. On analysis a sample of uranium are was found to contain 227g of .(82...

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