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Explain the terms entropy and free energ...

Explain the terms entropy and free energy.Entropy of a solid substance increases on melting. Explain.

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A: The internal energy of a solid substance increases during melting. R: Latent heat is required to melt a solid substance.

Explain the following: (a) The entropy of a substance increases on ging from the liquid to the vapour state at any temperature. (b) Reactions with Delta_(r)G^(@) lt 0 always have an equilibrium constant greater than 1.

PRADEEP-THERMODYNAMICS-SHORT ANSWER QUESTIONS
  1. What do symbolsDeltaH, DeltaSandDeltaG signify ? How are they inter-re...

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  2. State Gibbs-Helmholtz equation and explain its use in predicting the s...

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  3. Explain the terms entropy and free energy.Entropy of a solid substance...

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  4. What is meant by free energy of a subtance ? Entropy of a solid subst...

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  5. Explain why is DeltaG, the free energy change, called free energy. D...

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  6. What is the energy and free energy change?Show that change is free e...

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  7. Starting with the thermodynamics relationship DeltaU = q+w,derive the ...

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  8. Explain: (i) Spontaneity (ii) Free energy (iii) Reversibility (iv) Int...

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  9. What atre the conditions for the spontaneity of a reaction in terms of...

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  10. How is spontaneity of a change related to change in entropy and free e...

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  11. For a reaction both DeltaH and DeltaS are positive.Under what conditio...

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  12. Predict the feasibility of a reaction when (i) both DeltaH andDeltaS i...

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  13. Expalin the state of chemical reactions when : (i) DeltaG =0 (ii) De...

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  14. How Gibbs free energy is related to enthalpy , entropy and temperature...

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  15. What is meant by free energy of a system? Derive Gibbs- Helmholtz equa...

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  16. What are spontaneous processes? Mention the condition for a reaction t...

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  17. (a) An endothermicreaction A rarr B proceeds to completion . Predict t...

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  18. Predict the enthalpy change, free energy change and entropy change whe...

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  19. For a hypothetical process, A rarr B , predict whether the process is ...

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  20. Starting with the thermodynamic relationship , G=H-TS,derive the follo...

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