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Investigating the energy change when zinc reacts with copper(II) sulphate. Planning. Aim. My aim is to see what happens to the temperature that the reaction between zinc and copper sulphate releases when we change the amount of zinc while keeping the amount of copper sulphate constant. Introduction. During the course of this experiment, I will be investigating to see what happens when I react some zinc with copper sulphate solution. I will be looking for an energy change during this reaction. The reason I am looking for an energy change is because I want to determine whether this reaction is an exothermic or an endothermic reaction. An exothermic reaction is a reaction that uses a small amount of energy (normally the energy supply is heat) to break bonds within molecules. The heat, transfers energy into the electrons making them vibrate more. When the electrons are vibrating more, the ions within the solution successfully collide with...

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