The speed of a chemical reaction is affected by temperature, concentration, particle size and the presence of a catalyst. It can be calculated by measuring changes in reactants/products.

Safeguarding children's health against manufactured synthetic chemicals will require a fundamental shift in chemical law that takes a more precautionary approach and prioritizes health protection ...

Reducing toxic chemical exposure, as seen with the removal of lead from gasoline, has led to significant health and economic benefits, highlighting the importance of minimizing children's exposure ...

Protecting children from chemicals' dangers will require fundamental revamping of current law and restructuring of the chemical industry, the co-authors write. Safeguarding children's health ...

The greater the frequency of successful collisions between reactant particles, the greater the reaction rate. Reversible reactions - AQA Chemical reactions are reversible and may reach a dynamic ...