At equilibrium, the concentrations of reactants and products do not change. But the forward and reverse reactions have not stopped - they are still going on, and at the same rate as each other ...

The symbol ⇌ has two half arrowheads, one pointing in each direction. It is used in equations that model reversible reactions: the forward reaction is the arrow that goes to the right the ...

The wide range of performance properties of polyurethane foams makes them essential in many consumer goods. Thus, there is ...