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State the law of conservation of energy....

State the law of conservation of energy. Give some examples in which this law is obeyed.

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PRADEEP-THERMODYNAMICS-SHORT ANSWER QUESTIONS
  1. Derive an expression for the work of expansion of a gas (w = - Pdelta ...

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  2. How will you distinguish between the two? (i) Open and closed system...

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  3. State the law of conservation of energy. Give some examples in which t...

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  4. q and w are not state function but q + w is state function. Why?

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  5. Discuss the significance of the mathematical expression in which the h...

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  6. State first law of thermodynamics.Write it mathematical expression.

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  7. Briefly explain the term 'enthalpy' . How does if differ from internal...

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  8. Starting with the thermodynamic relationships, DeltaU=q-P DeltaV and H...

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  9. Starting with the thermodynamic relationshipsH = U+PV derive the foll...

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  10. Derive the relationship between heat of reaction at constant pressureq...

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  11. What do you understand by K(c) and K(p) ? Derive a relationship betwee...

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  12. Explain the calculations involved in the determination of heat of comb...

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  13. Define DeltaH.What will be the sign of DeltaH in (i) exothermic reac...

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  14. Briefly explain the term 'standard heat of formation' . What is standa...

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  15. What is the basic difference between enthalpy of formation and enthalp...

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

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  17. Define the term 'bond enthalpy'.Why an average value is taken in the p...

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  18. What is meant by average bond energy? In what way is it different from...

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  19. Explain spontaneous and non-spontaneous processes.

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  20. What is meant by enthalpy ? Can a decrease in enthalpy be the criterio...

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