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Gibbs Free Energy & Spontaneity

39. A catalys...

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39. A catalyst lowers the activation energy of a reaction from 20 kJ per mole to 10 kJ per mole. The temperature at which an catalyzed reaction will have same rate as that of catalyzed at 27 degree Celsius

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Q. A catalyst lower the activation energy of a reaction from 20 kJ mole

^{- 1}

^{- 1}

. The temperature at which the uncatalysed reaction will have the same rate as that of the catalyzed at 27

^{o}

Q. A catalyst lowers the activation energy of a reaction from 20 kJ

m o l^{- 1} t o 10 k J m o l^{- 1} .

The temperature at which the uncatalyzed reaction will have the same rate as that of the catalyzed at

27^{\circ} C

Q. A catalyst lower the energy of activation by

25 %

. The temperature at which rate of uncatalysed reaction would be equal to that of the catalyzed one at

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Q. A hydrogenation reaction is carried out at

500

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. If the same reaction is carried out in presence of a catalyst at the same rate, the temperature required is

400

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. Calculate the activation energy of the reaction is the catalyst lowers the activation barrier by

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Q. A hydrogenation reaction is carried out at 500 K. If the same reaction is carried out in the presence of a catalyst at the same rate, the temperature required is 400 K. Calculate the activation energy of the reaction if the catalyst lowers the activation barrier by

20 k J m o l^{- 1}

.
Report your answer as

α

, where activation energy is

100 α k J m o l^{- 1}

.

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