A chemical reaction is represented by a chemical equation that involves ions, atoms and molecular formulas. Use this resource to will learn about the main components of a chemical equation, and how to write and balance chemical equations. Also read about how Aboriginal peoples apply their understanding of chemical reactions....
Do you feel confident about writing balanced equations for chemical reactions? Test yourself with a quiz. Your turn – chemical equations For questions 1—5, identify the reactants and products in the chemical equations. \(\ce{2H}_{2}+\ce{O}_{2}\rightarrow2\ce{H}_{2}\ce{O}\) \(\ce{CH}_{4}+2\ce{O}_{2}\rightarrow\ce{CO}_{2}+\ce{H}_{2}\ce{O}\) \(2\ce{Fe}_{2}\ce{O}_{3}+3\ce{C}\rightarrow4\ce{Fe}+3\ce{CO}_{2}\) \(\left(\ce{NH}_{4}\right)_{2}\ce{Cr}_{2}\ce{O}_{7}\rightarrow\ce{Cr}_{2}\ce{O}_{3}+4\ce{H}_{2}\ce{O}+\ce{N}_{2}\) \(\ce{CaCO}_{3}\rightarrow\ce{CaO}+\ce{CO}_{2}\) For questions 6—10, write balanced equations for the chemical reactions. Ammonia gas...