Answer:
because the reaction can always be accelerated by heat
The best answer would be answer B. "the atom has a cloud of positive charge....."
That you have to do better
Answer:
495 J
Explanation:
When the hot pot was set on the counter to cool, heat energy was lost from the pot. Note that according to the first law of thermodynamics, heat is neither created nor destroyed.
This implies that, the heat energy lost from the pot must be gained by the surrounding air. Therefore, if 495 J of energy is lost from the pot, then 495 J of energy is gained by the surrounding air.
That is false. mass is converted into energy