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12 September, 16:24

For a particular reaction, the change in enthalpy is 51kJmole and the activation energy is 109kJmole. Which of the following could NOT be the change in enthalpy (ΔH) and the activation energy (Ea), respectively, for the catalyzed reaction? Select all that apply.

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  1. 12 September, 19:23
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    given,

    change in enthalpy = 51 kJ/mole

    change in activation energy = 109 kJ/mole

    when a reaction is catalysed change in enthalpy between the product and the reactant does not change it remain constant.

    where as activation energy of the product and the reactant decreases.

    example:

    ΔH = 51 kJ/mole

    E_a = 83 kJ/mole

    here activation energy decrease whereas change in enthalpy remains same.
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