63. At equilibrium the forward and reverse reaction rates will be the same, or equal.
65. At equilibrium the forward and reverse reaction rates will be equal. You can imagine that the hydrogen and chlorine molecules combine just as fast as they are broken; if 5 H-Cl bonds were formed in a second, then another 5 HCl bonds would be broken in that same second. Of course, reactions happen much faster than that, but the important thing to note is that the rates are the same.
May 22nd, 2015
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