In
chemistry, a
chemical equation is a symbolic representation of a
chemical reaction. For example, the combustion of
methane in
oxygen is
- CH4 + 2 O2 → CO2 + 2 H2O,
and the reversible reaction[?] of the Haber process is
- N2(g) + 3H2(g) <--> 2NH3(g) + ΔH.