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Explain how entropy changes in the follo...

Explain how entropy changes in the following processes. Freezing of liquid

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CHETANA PUBLICATION-Chemical Thermodynamics-EXERCISE
  1. Explain how entropy changes in the following processes. Freezing of li...

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  2. The correct thermodynamic conditions for the spontaneous reaction at a...

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  3. A gas is allowed to expand in a well insulated container against a con...

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  4. In which of the following entropy of the system decreases?

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  5. The enthalpy of formation for all elements in their standard state is

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  6. Which of the following reaction is exothermic ?

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  7. 6.24 g of ethanol are vaporized by supplying 5.89kJ of heat.Enthalpy o...

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  8. If the standard enthalpy of formation of methanol is -238.9 kJ mol^(-1...

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  9. For vaporization of water at 1bar,DeltaH=40.63kJ mol^(-1)and DeltaS = ...

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  10. Bond enthalpies of H-H, Cl-Cl and H-Cl bonds are 434 kj mol^(-1), 242 ...

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  11. Which of the following is not a state function?

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  12. Which of the following is not an extensive property?

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  13. An endothermic reaction is one in which heat content of

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  14. In a chemical reaction, work is done by the system when

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  15. Which of the following is an intensive property?

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  16. When a sample of an ideal gas is allowed to expand at constant tempera...

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  17. A gas of 0.320 kJ works on its surroundings and absorbs 120 J of heat ...

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  18. In the reaction, H2 + Cl2 rarr 2HCl DeltaH =-184 kJ, if 2 moles of H2 ...

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  19. The enthalpies of formation of N2O and NO at 298 K are 82 and 90 kJ mo...

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  20. For which of the following substances DeltafH^@ is not zero.

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  21. If for a reaction, DeltaH is negative and DeltaS is positive then the ...

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