Symbols in Chemical Equations

Symbols in Chemical Equations



Symbol Meaning
+ used to separate one reactant or product from another
used to separate the reactants from the products - it is pronounced "yields" or "produces" when the equation is read
used when the reaction can proceed in both directions - this is called an equilibrium arrow and will be used later in the course
(g) indicates that the substance is in a gaseous state
an alternative way of representing a substance in a gaseous state
(s) indicates that the substance is in a solid state
an alternative way of representing a substance in a solid state
(aq) indicates that the substance is dissolved in water - the aq comes from aqueous
indicates that heat is applied to make the reaction proceed