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60% of a first order reaction was comple...

60% of a first order reaction was completed in 60 minutes. When was it half completed ?

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BETTER CHOICE PUBLICATION-CHEMICAL KINETICS-Numerical Problems
  1. The half life period for a reaction of first order is 2.31xx10^3 min. ...

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  2. Thermal decomposition of dinitrogen pentoxide takes place by the follo...

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  3. A reaction is of first order in reactant A and of second order in reac...

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  4. From the rate expression for the following reactions, determine their ...

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  5. For a decomposition reaction, the values of rate constants, k at two d...

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  6. From the rate expression for the following reactions, determine their ...

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  7. In general it is observed that the rate of a chemical reaction becomes...

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  8. State the order with respect to each reactant and overall order for th...

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  9. The rate constant for a first order reaction becomes six times when th...

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  10. 60% of a first order reaction was completed in 60 minutes. When was it...

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  11. A first order reaction takes 69.3 minutes for 50% completion. Calculat...

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  12. The half life period for a reaction of first order is 2.31xx10^3 min. ...

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  13. The decomposition of hydrogen peroxide in the presence of iodide ion h...

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  14. The decomposition of N2 O5 in carbon tetrachloride solution has been ...

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  15. The rate of a reaction 2A+B rarr A2B. has rate law : rate = k [A]^2...

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  16. First order reaction is found to have rate constant, k= 5.5xx 10^(-14)...

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  17. The half-life period of a chemical reaction is 1443.6 sec, find out k ...

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  18. 2NOBr rarr 2NO(g)+Br2(g) Rate=k[NOBr]2 What are the units of ra...

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  19. A first order reaction is 20% complete in 20 minuts. Calculate the tim...

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  20. Calculate the time required for the completion of 90% of a reaction of...

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