Find the rate of reaction between the sodium thiosulphate and hydrochloric acid.

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Rates of reaction

Aim: To find the rate of reaction between the sodium thiosulphate and hydrochloric acid.

Introduction

A reaction takes place when two substances are chemically combined. The rate of a reaction tells us how quickly a reaction happens. It is important for people in the industry to know how fast a reaction goes. They have to know exactly how much of their product they have to make each hour day or week. We can find a rate of a reaction by actually doing the experiments.

During a reaction we can measure how much reactant is used up in a certain time. On the other hand we might choose to measure how much product is formed in a certain time. Reactions can be fast or they can be slow. Rapid chemical reactions for example are explosions, fireworks, lightening a match, etc. In fact most combustion reactions last only a few seconds. Slow reactions on the other hand are like copper roof reacting in air which takes many years, rusting will take a few months depending on the size of the object.

Some chemical reactions give out heat energy; such