For a chemical reaction: A ⟶ B The threshold energy of reaction is 50 K.J/mole. The average internal energy of A is 25 K.J/mole. The activation energy of A is: A. 25 K.J/mole B. 50 K.J/mole C. 100 K.J/mole D. 125 K.J/mole E. O K.J/mole

For a chemical reaction: A ⟶ B The threshold energy of reaction is 5

1.	For a chemical reaction: A ⟶ B The threshold energy of reaction is 50 K.J/mole. The average internal energy of A is 25 K.J/mole. The activation energy of A is: A. 25 K.J/mole B. 50 K.J/mole C. 100 K.J/mole D. 125 K.J/mole E. O K.J/mole
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