I believe the correct answer from the choices listed above is option 2. From the balanced equation, the energy is absorbed as the bonds are broken. Energy is needed to be supplied for the bonds to be broken.
Hope this answers the question. Have a nice day.
Answer:
4
Explanation:
The balanced equation for the reaction is as follows:
4Al + 3O2 --> 2(Al2O3)
Energy from food is measured in calories. We convert the calories into chemical energy.
Therefore, the answer is the 3rd choice.
The answer would be B the transfer of electrons from one atom to another
Answer:
Chemists study matter and the chemical reactions between substances
Explanation:
