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If the standard enthalpy of formation of...

If the standard enthalpy of formation of methanol is `-238.9 kJ mol^(-1)` then entropy change of the surroundings will be.

A

`-801.7JK^(-1)`

B

`801.7JK^(-1)`

C

`0.8017JK^(-1)`

D

`-0.8017JK^(-1)`

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CHETANA PUBLICATION-Chemical Thermodynamics-EXERCISE
  1. Which of the following reaction is exothermic ?

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  2. 6.24 g of ethanol are vaporized by supplying 5.89kJ of heat.Enthalpy o...

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

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

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

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

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

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

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

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  10. Which of the following is an intensive property?

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

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

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

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

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

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

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  17. Properties of a system which are proportional to the quantity of matte...

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  18. Obtain the relationship between DelatG^@ of a reaction and equilibrium...

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  19. DeltaH for the reaction 2H(g) rarr H2(g) will be

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  20. For the process, H2O(l) rarr H2O((g)) at 100^@C, DeltaS is

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