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A lump of coal burns at moderate rate in...

A lump of coal burns at moderate rate in air while coal dust burns explosively, explain.

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USHA PUBLICATION-CHEMICAL KINETICS-EXERCISE
  1. Write two characteristics of 1st order reaction.

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  2. Why is the rate symbol w.r.t. the reactant taken as -ve and w.r.t. pro...

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  3. A lump of coal burns at moderate rate in air while coal dust burns exp...

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  4. Write short note on activation energy.

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  5. What is the rate equation for a zero order reaction ? Also write the u...

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  6. Derive an equation for half life of a zero order reaction.

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  7. What is difference between average rate and instantneous rate of a che...

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  8. For the reaction, 2SO2+O2rarr2SO3 the rate of reaction w.r.t O2 is 0.4...

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  9. For a chemical reaction ArarrB, it is found that the rate of reaction ...

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  10. The initial concerntration of a rectant is 0.5M with rate constant 1.5...

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  11. For a forward reaction activation energy is 55 kJ/mole and for backwar...

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  12. The half life of a 1st order reaction is 200 sec. Calculate the rate c...

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  13. For a reaction, Ararr B + C, activation energy is 15 kJ/mole and entha...

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  14. For a 1st order reaction t(1/2)=2 min. How long will it take to reach ...

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  15. For the reaction N2+3H2rarr2NH3, the rate of disappearance of H2 is 0....

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  16. Calculate half life of a 1st order reaction, where the rate constant o...

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  17. For a reaction Xrarr product, it was found the order of reaction is 2....

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  18. Show that for a 1st order reaction the time taken for 99.9% completion...

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  19. For a 1st order reaction the time required for 75% completion is—times...

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  20. For a reaction the initial conc. of the reactant is 0.25 M. If the rat...

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