7.1b Equilibrium​

Dynamic vs static equilibrium

https://phet.colorado.edu/en/simulation/legacy/reversible-reactions

Demonstration: CoCl₂ in water + excess NaCl

[Co(H₂O)₆]²⁺(aq) + 4Cl^-(aq) <--> [CoCl₄]^2-(aq) + 6H₂O (l)

     pink/ purple                                                                       blue (with heat)

Reversible or non-reversible reaction
reversible

Non-reversible

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