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Can a reaction have zero activation ener...

Can a reaction have zero activation energy?

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Can a reaction have negative activation energy?

Activation energy is

If a reaction A + B to C , is exothermic to the extent 40 kJ/mol and forward reaction has an activation energy 60 kJ/mol, the activation energy for the reverse reaction will be:

Assertion: Reaction does not have zero activation energy Reason: If E_a = 0 , A to Arrhenius equation, K=A.e^(-Ea//RT) = Ae^(0) = A i.e, Rate constant = Collision frequency which cannot be true E_(a) ne 0

For a reaction suppose the activation energy Is zero. What is the value of rate constant at 300 K ? If K is 1.6xx10^8S^-1 at 280 K (R=8.314 J K^-1mol^-1 .

The activation energy for a simple chemical reaction A rarr B is E_(a) in forward direction. The activation energy for reverse reaction.

Which graph shows zero activation energy?

A catalyst lowers the activation energy of the forward reaction by 10 kJ "mol"^(-1) ,What effect it has on the activation energy of the backward reaction?

An endothermic reaction A to B has an activation energy of 15" kJ mol"^(-1) and the enthalpy change for the reaction is 5" kJ mol"^(-1) . The activation energy of the reaction B to A is

BODY BOOKS PUBLICATION-Chemical Kinetics-Example
  1. Graphically represent the dependence of half-life, and Initial concent...

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  2. Does molecularity has any meaning for a complex reaction? Explain

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  3. Can a reaction have zero activation energy?

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  4. "Activation energies are low for fast reaction and high for slow react...

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  5. "Activation energies are low for fast reaction and high for slow react...

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  6. In a classroom discussion about order and moleculrity of a reaction,Ra...

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  7. In a class room discussion about order and molecularity of a chemical ...

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  8. At a certain temperature, T K the endothermic reaction ArarrB proceeds...

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  9. Enthalpy and Entropy changes of two reactions are given below: Find ou...

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  10. Mention the factors that affect the rate of a chemical reaction.

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  11. A reaction is second order with respect to a reactant. How is the rate...

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  12. A reaction is second order with respect to a reactant. How is the rate...

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  13. A reaction is first order in A and second order in B.Write the differe...

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  14. A reaction is first order in A and second order in B. How isthe rate a...

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  15. A reaction is first order in A and second order in B.How is the rate a...

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  16. Calculate the half-life of a first order reaction from their rate cons...

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  17. Calculate the half-life of a first order reaction from their rate cons...

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  18. Calculate the half-life of a first order reaction from their rate cons...

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

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  20. The rate constant for the decomposition of hydrocarbons is 2.418 x 10^...

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