Chemistry (1Question)

This is really confusing. I know how to do the equilibrium which also has to do with reaction rates but they didb't give it to me as a choice. Please Please help me. I post other questions that i answered already but no one answered me. I just needed someone to check them for me. Will someone please help me with this.

Which of the following equations is used to describe reaction rates?

∆H - T∆S

S^products - S^reactants

∆[reactant or product]/∆time

pV = nRT

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  1. I answered this above as part of a 15 question post (under science). The answer here is #3.

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