Do the standard states still hold when it operates?

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SUMMARY

A voltaic cell operates with reactants and products that typically do not remain in their standard states due to concentration changes during operation. While some rare cases may maintain standard states, the majority of voltaic cells function with reactants that deviate from these conditions. This understanding is crucial for accurately analyzing voltaic cell performance and behavior.

PREREQUISITES
  • Understanding of voltaic cell components and reactions
  • Knowledge of standard state conditions in chemistry
  • Familiarity with concentration effects on electrochemical cells
  • Basic principles of thermodynamics related to electrochemistry
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  • Research the Nernst equation and its application in non-standard conditions
  • Explore the impact of concentration changes on cell voltage
  • Study the differences between standard and non-standard states in electrochemistry
  • Investigate specific examples of voltaic cells operating under varying concentrations
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Chemistry students, electrochemists, and anyone interested in the operational principles of voltaic cells and their performance under varying conditions.

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A voltaic cell is composed with reactants and products in their standard states.So when it operates,the concentration of all substance must change,it should no be hold.Am i right?
 
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asdff529 said:
A voltaic cell is composed with reactants and products in their standard states.

While this statement can be right for some rare cases, in general most cells are not made with reactants in their standard state, quite the opposite. (Which actually answers your question, just not directly).
 

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