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What are the sign conventions of the wor...

What are the sign conventions of the work done on the system and work done by the system?

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Work done on the system uses positive sign.
Work done by the system uses negative sign.
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VIKRAM PUBLICATION ( ANDHRA PUBLICATION)-THERMODYNAMICS-Very Short Answer Questions
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  2. State the first law of thermodynamics. Explain its mathematical notati...

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  3. What are the sign conventions of the work done on the system and work ...

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  4. Volume (V), Pressure (P) and Temperature (T) are state functions. Is t...

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  5. What are the heat (q) sign conventions when heat is transferred from t...

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  6. No heat is absorbed by the system from the surroundings, but work (w) ...

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  7. No work is done on the system, but heat (q) is taken out from the syst...

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  8. Work is done by the system and heat (q) is supplied to the system. Wh...

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  9. q=w=-p(ext)(v(f)-v(i)) is for irreversible…. Change.

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  10. q=-w=nRT1n(v(f)-v(i)) is for isothermal ………change.

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  11. What are the 'DeltaH' sign conventions for exothermic and endothermic ...

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  12. What are intensive and extensive properties?

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  13. In the equation q=C.Delta.m.DeltaT, if DeltaT is change in temperature...

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  14. Give the equation that gives the relationship between DeltaU and Delta...

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  15. What is the relationship between C(p) and C(v)?

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  16. 1 g of graphite is burnt in a bomb calorimeter in excess of O(2) at 29...

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  17. For the above reaction what is the internal energy change, DeltaU?

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  18. What is Delta(r)H for CH(4(g))+20(2(g))to CO(2(g))+2H(2)O(l) in terms ...

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  19. Enthalpy decreases is not the criterion for spontaneity. Why?

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  20. Is increase of entropy the criterion for spontaneity ? Why ?

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