Which one is the correct equation that represents the first law of electrolysis ?

Which among the following equations represents the first law of thermodynamics under isobaric conditions ?

Which among the following equations represents the first law of thermodynamics under isobaric conditions ?

Which one of the following equations correctly represent the first law of thermodynamics for the given process occuring in an ideal gas

State: Faraday first law of electrolysis

State : Faraday first law of electrolysis

Which equation represents the first ionization of calcium?