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Energy changes neutralisation Investigation of the energy change accompanying a neutralisation reaction Planning: Chemicals Available: 2M HCl 1M H2SO4 2M CH3CO2H 2M NaOH 2M NH4OH A neutralisation reaction is the process in which the acidity or alkalinity of a ubstance is destroyed. Destroying acidity means removing the H+ (aq) ions by reaction with a carbonate metal or a base. Destroying alkalinity means removing the OH- (aq) ions by reaction with an acid. The acid and alkali particles must be in exactly equal amounts to get a perfectly neutral solution. If a bond is broken, energy is needed and the reaction is endothermic. However if a reaction is exothermic, it is a recombination, which is bond making. Through this, energy is produced. Neutralisation: acid + alkali (r) salt + water H+(aq) + OH-(aq) (r) H20 (l) Neutralisation is an exothermic reaction. This means it gives out energy to the surroundings in the form of heat. This obviously means there will be a rise in...

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