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.
Chapter 14. Chemical. Equilibrium. Hill, Petrucci, McCreary & Perry 4th Ed. â¢Many Reactions seem to STOP before all. the reactants are used up. â¢The Concentrations of Reactants and. Products reach constant values. â¢A State of Chemical Equilibrium is said to have been established, but nothing stopped! â¢Chemical Equilibrium is a Dynamic State RateForward Reaction = RateReverse Reaction Chemical Equilibrium The Hydrogen Iodide Decomposition 2 HI(g) H 2(g) + I 2(g) [HI]2 Kc = [H 2][I 2]