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.
Page 1 1 CHEMICAL EQUILIBRIUM Chapter 13 2 Chemical Equilibrium â¢ The state where the concentrations of all reactants and products remain constantwith time. â¢ On the molecular level, there is frantic activity. Equilibrium is not static, but is a highly dynamic situation.