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For the combustion of benzene to gaseous...

For the combustion of benzene to gaseous carbon dioxide and liquid water, `DeltaH` is more than `DeltaU`.

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CENGAGE CHEMISTRY ENGLISH-THERMODYNAMICS-Exercises (True/False)
  1. It is possible to calculate the value of DeltaH for the reaction H(2...

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  2. The enthalpy of combustion of dimond and enthalpy of formation of carb...

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  3. The SI unit of heat is 'calorie'.

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  4. Can we measure the absolute value of internal enegry?

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  5. w is positive when the work is done on the system. (T/F)

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  6. Heat of combustion is the amount of heat evolved when the number of mo...

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  7. The heat of neutralisation of HCI with NaOH is same as that of HNO(3) ...

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  8. The heat of neutralisation becomes large if either the acid or the bas...

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  9. The total amount of heat evolved or absorbed in a reaction depends upo...

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  10. A spontaneous process is a process which is instaneous.

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  11. A process which is accompained by decrease of energy is not always spo...

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  12. The dissolution of ammonium chloride in water is an endothermic proces...

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  13. For the equilibrium , DeltaG = - RT In K.

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  14. For the combustion of benzene to gaseous carbon dioxide and liquid wat...

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  15. Melting of ice involves increases in randomness and increase in enthal...

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  16. Show that in an isothermal expansion of an ideal gas, a DeltaU = 0 and...

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  17. A pack of cards randomly shuffled has more entropy than a pack of arra...

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  18. For adiabatic process, DeltaH = 0

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  19. Neither q nor w is a state function but q +w is a state function. Expl...

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  20. In the reaction: 2CO(g) +O(2)(g) hArr 2CO(g), entropy decreases.

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