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What is activation energy ?...

What is activation energy ?

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The activation energy of the exothermic reaction ArarrB " is "40"kJ."mol"^(-1) . The heat of reaction is 15"kj.mol"^(-1) . What is the activation energy for the backward reaction ?

N_2(g) + 3H_2(g) iff 2NH,(g) + 22 kcal The activation energy for the forward reaction is 50 kcal. What is the activation energy for the backward reaction ?

What is the activation energy for a reaction if its rate doubles when the temperature is raised from 20^(@)C " to " 35^(@)C - (R = 8.314 " J.mol"^(-1).K^(-1))

What is the activation energy for a reaction if its rate doubles when the temperature is raised from 20^@C to’ 35^@C ? (R= 8.3154 J mol^-1 K^-1)

What is meant by activation energy of a reaction ?

Which of the following reactions has zero activation energy ?

If activation energy of a reaction is higher than its reaction- rate would be ........ and if activation energy of a reaction is lower its reaction-rate would be ……….

If a reaction A+B rarr C is exothermic to the extent of 30 kJ/mol and the forward reaction has an activation energy 70 kJ/mole. The activation energy for the reverse reaction is

At 25^(@)C and 45^(@)C , a first order reaction takes 30min and 10min respectively to reach 50% completion. Calculate the activation energy . If DeltaH=-40"kJ.mol"^(-1) , calculate the activation energy of backward reaction.

UNITED BOOK HOUSE-HIGHER SECONDARY EXAMINATION 2018-EXAMPLE
  1. Write one harmful environmental effect of freons.

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  2. How would you distinguish between the following pair of compounds by a...

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  3. How would you convert?

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  4. Write down the products of the following reaction. CH3OCH2CH3overset(c...

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  5. Write the reagents for the following conversions:

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  6. Distinguish between the following two compounds by a chemcial reaction...

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  7. Distinguish between the following two compounds by a chemcial reaction...

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  8. What is meant by instrantaneous reaction rate?

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  9. What is activation energy ?

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  10. For a first order reaction , show that time required for 99% completio...

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  11. Establish the integrated rate equation for a first order reaction invo...

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  12. The half-life of a zero order reaction is x second. If the reaction ta...

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  13. Why helium does not form any compound?

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  14. Give one example of mixed oxide. Why is it called mixed oxide?

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  15. Draw the structure of H2SO3.

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  16. Benzoic acid on reaction with SOCI2 gives (A).(A) on reduction with Pd...

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  17. Identify A, B, C and D in the following steps of the reaction of aceta...

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  18. An organic comppound produces acetic acid and ethanol on acid hydrolys...

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  19. Write the structures of A to D in the following reactions: R CO R over...

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  20. How would you convert?

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