How can you tell if a reaction is spontaneous or non spontaneous?

How can you tell if a reaction is spontaneous or non spontaneous simply by looking at the cell potential?

  • Answer:

    I presume you mean the sum of two half cell potentials. For electrons to have the potential for transfer there has to be a giver and a receiver. If the combined potentials are +, the reaction is spontaneous.If the potential is negative then the reaction is nonspontaneous (but the reverse reaction is!!)

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I presume you mean the sum of two half cell potentials. For electrons to have the potential for transfer there has to be a giver and a receiver. If the combined potentials are +, the reaction is spontaneous.If the potential is negative then the reaction is nonspontaneous (but the reverse reaction is!!)

Halchemist

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