National 5; Rates of reaction Factors affecting reaction rate. The speed of a chemical reaction is affected by temperature, concentration, particle size and the presence of a catalyst.

Discusses the factors influencing chemical reaction rates and equilibrium. It explains how different reactions occur at varying rates due to factors such as the nature of reactants, surface area ...

Factors affecting the rate of photosynthesis. Water. You won't often see graphs for its effects, ... Most important is its role as a solvent for all the chemical reactions in cells.

More to explore Chemical Reactions, from Rader's Chem4Kids.com Factors Affecting the Speed-Rates of Chemical Reactions, from Doc Brown's Science Rates of Reaction Menu, from Chemguide Plop, Plop ...

With more light, chemistry speeds up Date: May 4, 2017 Source: Institute of Physical Chemistry of the Polish Academy of Sciences Summary: Light initiates many chemical reactions.