Balanced equations are used to allow chemists to calculate how much product they will produce from their reactants. The co-efficients in balanced equations represent the number of moles reacting and ...

UP Board Class 12 th Chemistry paper 1 is scheduled to be held on February 20, 2018, and Paper 2 will be held on February 22, 2018. Students find chemistry a difficult subject because of the chemical ...

Learn how to balance chemical equations through practice with a clear, hands-on approach that builds confidence step by step. This video focuses on common patterns, practical strategies, and repeated ...

This interactive activity allows you to practice balancing equations and offers a game to check your understanding.

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. Revise: ...