The rate of a chemical reaction can be ... Compared to a reaction with a reactant at a low concentration (if a solution), the graph line for the same reaction but at a higher concentration: ...

Key chemistry topics include concentration vs. time data; rate constants (k); reaction order ... activities and concepts aim to clarify the relationship between equations, graphs, and the molecular ...

This is shown in the graph below. In the graph above ... As the substrate concentration increases so does the rate of enzyme activity. An optimum rate is reached at the enzyme’s optimum ...