Chemical equilibrium
1 reversible change
changes in general. Often it's a chemical reaction. And the reaction type is divided into 2
1. Complete reaction (Irreversible reaction)
.The complete reaction mean reaction precursor react together until the end. The products completely reaction will end when the precursor substance substance one out and reactions, such as not reverse.Instead of writing with equations as follows:
.
zinc metal reacts with hydrochloric acid, hydrogen, denoted by the equation:
* mark instead of the complete. Such as the reaction completely
2. The reaction is not complete!The reaction is not complete. Mean reaction precursor react. The product and at the same time. Products made some react back as a precursor. The reaction is not complete.Within the system there are still the precursor of all kinds. And the products made of all kinds. And the system is both the reaction forward and reverse reaction, call this type of reaction, the reversible reaction (Reversible. Reaction).[Co (H2O) 6] 2 with Cl – as follows:
* mark instead of reversible change, and shows that the equilibrium
.Change of the system, reversible. Don't need to be a system with the reaction. May be a solution, dissolution or to change the status of substances, so changes ของสารท that reversible can be divided into 3.Leaching solution as a
dissolution is the solution. In general, as the melting of a solid state B
.
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