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What is the most important feature of He...

What is the most important feature of Hess's law?

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It is used to determine the heat of reaction.
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CHHAYA PUBLICATION-CHEMICAL THERMODYNAMICS-VERY SHORT TYPE QUESTIONS
  1. Write down the relation between DeltaH and DeltaU for the following re...

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  2. If the bond energy of C-H bond is +416.18 kJ*mol^(-1), then what will ...

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  3. What is the most important feature of Hess's law?

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  4. The standard bond dissociation energy of A(2)(g),B(2)(g) and AB(g) mol...

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  5. At temperature TK the difference between DeltaH and DeltaU for the fol...

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  6. Give an example of a spontaneous process in which the change in enthal...

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  7. What will be the sign of enthalpy change and entropy change for a proc...

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  8. What will be the signs of DeltaG for melting of ice at 267 K and 276K ...

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  9. Water and ice remain in equilibrium at 0^(@)C and 1 atm pressure. What...

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  10. Which one of the following relation or expression is true for a sponta...

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  11. What will be the sign of entropy change for the process I(2)(g)toI(2)(...

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  12. What will be the change in entropy of the surroundings in a spontaneou...

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  13. Is the entropy of the universe constant?

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  14. Given an example of a process in which the change in enthalpy of the s...

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  15. What sign (+ or -) of entropy change in an endothermic reaction makes ...

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  16. In which case the DeltaS(sys) will be maximum between the following tw...

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  17. Predict the sign of DeltaS^(0) for the given reaction? 2H(2)S(g)+3O(...

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  18. Does the Gibbs free energy of a substance decrease or increase if the ...

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  19. In a process, the value of the change in entropy of the system and its...

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  20. The change in entropy of the system in a process AtoBtoC is 25J*K^(-1)...

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