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When is Delta S=Delta/T...

When is `Delta S=Delta/T`

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When both Delta H and Delta S become (-ve) the process will be spontaneous at_____tempratures.

Assuming the reactant and product gases of chemical reaction as ideal, show that for a gaseous reaction Delta H = Delta U + Delta nRT where Delta H and Delta U indicate the changes of enthalpy and internal energy, in the reaction.

Relation between Delta H & Delta U

For a reaction both Delta H and Delta S are positive,under what condition will the reaction occur spontaneously?

How are Delta H and Delta U are related? What is the difference between Delta Hand Delta U in a fusion process?

When Delta G=0 the process will be at______

Suppose S and S' are foci of the dllipse (x^(2))/(25) + (y^(2))/(16) =1. If P is a variable point on the ellipse and if Delta is the area of the triangle PSS', then maxzimum value of Delta is

for the reaction 2Cl(g)rarr Cl_2(g) What are the signs of Delta H and Delta S ?

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PATHFINDER-THERMODYNAMICS-QUESTION BANK
  1. Which factor does remain constant in an isobaric process?

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  2. Write the expression of Gibbs Helmholtz equation

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  3. When is Delta S=Delta/T

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  4. State first law of thermodynamics.

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  5. A system absorbs 115J heat from the surroundings and 290 J work is don...

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  6. Define system and surrounding.

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  7. A gas absorbs 120J of heat and expands against the external pressure o...

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  8. What is enthalpy of a system?

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  9. Show that at constant volume Delta U=qv

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  10. Write one limitation of the first law of thermodynamics .

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  11. The latent heat of evaporation of Bromine at 59^@C at 1 atm is 29.2 KJ...

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  12. Explain the term state function of a system

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  13. for the reaction 2Cl(g)rarr Cl2(g) What are the signs of Delta H and D...

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  14. To increase the temperature of 31.75 mm of Cu from 23^@C to 28^@C ,50 ...

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  15. To increase the temperature of 31.75 mm of Cu from 23^@C to 28^@C ,50 ...

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  16. To increase the temperature of 31.75 mm of Cu from 23^@C to 28^@C ,50 ...

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  17. Which of the following are not state function? Entropy,temperature,hea...

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  18. At 25^@C What is the difference between DeltaH and DeltaS for the foll...

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  19. Establish the relation between Delta H and Delta U for a gaseous syste...

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  20. N2(g)+3H2(g)rarr 2NH3(g) Delta Hr^@=-92.4 KJ What is the standard en...

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