Investigating the Factors that Affect the Temperature Change During a Neutralisation Reaction.

Authors Avatar

        Chemistry Coursework        

Investigating the Factors that Affect the Temperature Change During a Neutralisation Reaction

Aim

        The aim of this experiment is to find out how much the temperature of the acid/alkali solution will change during the reaction of the two using different concentrations of the hydrochloric acid.

Safety

For this experiment goggles must be worn at all times. Hair must be tied back and loose clothing must be tucked in. Hydrochloric acid at this concentration of 2M is very corrosive which means; this substance destroys living tissues including eyes and skin. Sodium Hydroxide at this concentration of 1M is corrosive which means; this substance destroys living tissues including eyes and skin.

Prediction

        I predict that the temperature will change, as heat will be given of consequently making it an exothermic reaction of the acid and alkali. The concentration of the acid will have an effect on the alkali as if you use a more concentrated acid it will give you a higher temperature than a less concentrated one.

        As you increase the concentration of the acid there are more particles in the solution so more collisions will be occurring creating a higher temperature. Therefore I believe that as the concentration of the acid is increased the temperature will increase until a certain point where it will level off.

Join now!

Variables

Independent Variable - This is the thing that is changed to do the experiment, in this case it is the concentration of the acid.

Dependent Variable - This is the reading that is read off to collect the results, in this experiment it being the change in temperature of the acid/alkali.

Control Variables - These are the things that are kept constant so they do not alter or change the results of the experiment or make it an unfair test.

  • Repeat the experiment three times so the results can be averaged.
  • Use the same volumes all the way through.
  • Use ...

This is a preview of the whole essay