Due to the absorption of energy when chemical bonds are broken, and the release of energy when chemical bonds are formed, chemical reactions almost always involve a change in energy between products and reactants.
Sure!! Let me just quickly explain it to you
Hey!! I didn't understand what Ms.Amani explained last lesson
That is a bit confusing, an example?
Iron oxide when reacted with aluminium gives iron and aluminium oxide and large amount of heat which melts the metal which is reduced.
I dont have the energy to go to class, can I just sleep in my locker