https://doi.org/10.1351/goldbook.V06632
The conversion of a solid or liquid to a gas or vapour by application of heat, by reducing pressure, by chemical reaction or by a combination of these processes.
Example: \(\text{W(s)}+\frac{3}{2}\text{O}_{2}\:\text{(g)}\:\rightarrow \:\text{WO}_{3}\:\text{(g)}\)
Example: \(\text{W(s)}+\frac{3}{2}\text{O}_{2}\:\text{(g)}\:\rightarrow \:\text{WO}_{3}\:\text{(g)}\)