What is coal? Coal is a fossil fuel and is the altered remains of prehistoric vegetation that originally accumulated in swamps and peat bogs. The energy we get from coal today comes from the energy that plants absorbed from the sun millions of years ago. All living plants store solar energy through a process known as photosynthesis.
Dynamic equilibrium. Definition. noun. A system in a steady state since forward reaction and backward reaction occur at the same rate. Supplement. In a dynamic equilibrium, the rate of loss is equal to the rate of gain. Dynamic equilibrium is applied in thermodynamics for systems involving reversible reactions.
Time-saving video on the definition of chemical equilibrium. The definition of chemical equilibrium is the point at which the concentrations of reactants and products do not change with time. It appears as though the reaction has stopped but in fact the rates of the forward and reverse reactions are equal so reactants and products are being created at the same rate. chemical equilibrium definition.