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An equation in Gibbs energy is be given by
  • a)
    dG = Vdp + SdT + Σ(molal chemical potential)*dn
  • b)
    dG = Vdp – SdT – Σ(molal chemical potential)*dn
  • c)
    dG = Vdp + SdT – Σ(molal chemical potential)*dn
  • d)
    dG = Vdp – SdT + Σ(molal chemical potential)*dn
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
An equation in Gibbs energy is be given bya)dG = Vdp + SdT + Σ(m...
This equation is not complete. The complete equation for Gibbs energy is given by:

dG = Vdp - SdT + μdn

where:
- dG is the change in Gibbs energy
- V is the volume
- p is the pressure
- S is the entropy
- T is the temperature
- μ is the chemical potential
- n is the number of moles of substance present.
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Community Answer
An equation in Gibbs energy is be given bya)dG = Vdp + SdT + Σ(m...
For this we use G=U+pV-TS and here the summation is taken for all the components present in the system.
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An equation in Gibbs energy is be given bya)dG = Vdp + SdT + Σ(molal chemical potential)*dnb)dG = Vdp – SdT – Σ(molal chemical potential)*dnc)dG = Vdp + SdT – Σ(molal chemical potential)*dnd)dG = Vdp – SdT + Σ(molal chemical potential)*dnCorrect answer is option 'D'. Can you explain this answer?
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