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The Gibb’s function G in thermodynamics is defined as
G = H – TS
In an isothermal, isobaric, reversible process, G
(where H = Enthalpy, T = Temperature, S = Entropy)
Select one:
  • a)
    Remains constant but not zero
  • b)
    Is zero
  • c)
    Varies linearly
  • d)
    Varies non-linearly
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
The Gibb’s function G in thermodynamics is defined asG = H &ndas...
Condition for a change to occur in any process
dU – TdS ≤ –pdV
d(U – TS + pV) ≤ 0
⇒ d(H – TS) ≤ 0
Since, G = H – TS
We get dG ≤ 0
it means in isothermal, isobaric and reversible process,
dG = 0 or G = constant
The correct answer is: Remains constant but not zero
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The Gibb’s function G in thermodynamics is defined asG = H &ndas...
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The Gibb’s function G in thermodynamics is defined asG = H – TSIn an isothermal, isobaric, reversible process, G(where H = Enthalpy, T = Temperature, S = Entropy)Select one:a)Remains constant but not zerob)Is zeroc)Varies linearlyd)Varies non-linearlyCorrect answer is option 'A'. Can you explain this answer?
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