The rate of a chemical reaction can be changed by altering the concentration of a reactant in solution. If the concentration is increased: there are more reactant particles there are more successful ...

There are a number of ways to investigate the rate of a reaction in Chemistry. This is an outline of the required steps to undertake one of these methods. It is important in this core practical to use ...

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

For any DLS system, its performance is based on the sample, for instance, the upper size limit may be > 5 μm for an emulsion, but < 1 μm for a high density particle since the analysis loses accuracy ...