Examples of reactions that go to completion are: It is more obvious in reactions that do not go to completion that the reaction is reversible. This is the case when the reaction mixture contains ...

It is more obvious in reactions that do not go to completion that the reaction is reversible. This is the case when the reaction mixture contains both reactants and products.

Three colorless solutions are combined into a large beaker and the mixture becomes amber, then blue-black, and then colorless again. This sequence of color changes will repeat with a period of ...