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Briefly explain the term 'standard heat ...

Briefly explain the term 'standard heat of formation' . What is standard state of an element and what is its value for the standard heat of formation ?

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The standard heat of formation of a compound is the :

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Standard heat of formation at 298K is arbitraily taken to be zero for

Standard enthalpy of formation is zero for

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  5. Define Hess's law of constant heat summation.

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  8. Explain spontaneous and non-spontaneous processes.

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  11. What is entropy ? State the effect of increased temperature on the ent...

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  14. What is Entropy ? What are the units of Entropy ? What is its signifi...

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  15. Giving suitable reasons, predict the sign of entropy change ( DeltaS)f...

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  16. Will entropy increase or decrease in the following changes and give re...

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  17. Predict whether entropy change in the following processes would be po...

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  18. Account for the fact that entropy of ice is less than that of water.

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  20. How does T DeltaS determine the spontaneity of process?

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