For a chemical reaction A__B, the threshold energy of reaction is 31 K

1.	For a chemical reaction A__B, the threshold energy of reaction is 31 KJ/mol. The average internal energy of A is 12 KJ/mol the activation energy of A is:
Answer» ANSWER: answer is 19 answer in ATTACHMENT

For a chemical reaction A__B, the threshold energy of reaction is 31 KJ/mol. The average internal energy of A is 12 KJ/mol the activation energy of A is:

Answer»

answer is 19