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A first order reaction takes 40 minutes ...

A first order reaction takes 40 minutes for 20% decomposition. Calculate its half life period.

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ASSAM ACADEMIC CENTRE-SURFACE CHEMISTRY-Example
  1. Define activation energy of a reaction.

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  2. Show that the integrated rate law for the first order reaction R rarr ...

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  3. A first order reaction takes 40 minutes for 20% decomposition. Calcula...

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  4. Give reasons for the following: Nitrogen exhibits +5 oxidation state. ...

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  5. Give reasons for the following: Sulphur vapour is paramagnetic.

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  6. Give reasons for the following: Moist chlorine is powerful bleaching a...

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  7. Complete the following reactions: P4 + 3NaOH + 3H2O rarr?

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  8. Complete the following reactions: 2F2(g) + 2H2O(l) rarr?

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  9. Describe the manufacture of ammonia by Haber's process with favourable...

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  10. Draw the structure of the following molecules and mention their shapes...

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  11. Draw the structures of the following molecules: H3PO3

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  12. How will you bring about the following conversions? (Give chemical equ...

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  13. How will you bring about the following conversions? (Give chemical equ...

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  14. Name one biodegradable polymer.

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  15. Fill in the blanks: The curve showing the variation of absorption with...

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  16. Fill in the blanks: The entropy change in adsorption is.

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  17. Fill in the blanks: The phenomenon in which absorption & adsorption ta...

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  18. Fill in the blanks: In physiosorption, accumulation of gas on the surf...

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  19. Fill in the blanks: The Freundlish adsorptions isotherm is not valid a...

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  20. Fill in the blanks: Substances that decrease the activity of a catalys...

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