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Which of the following is the correct re...

Which of the following is the correct relationship between H (enthalpy), U (internal energy), P (pressure) and V (volume) of a system?

A

H = U.PV

B

H = U + PV

C

U = H + PV

D

U=H.PV

Text Solution

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The correct Answer is:
A
Definition of enthalpy, H=U+PV
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MARVEL PUBLICATION-CHEMICAL THERMODYNAMICS AND ENERGETICS-MULTIPLE CHOICE QUESTIONS (Internal Energy and Enthalpy of a System)
  1. The energy stored within a substance is called its…………..

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  2. Regarding the internal energy of the molecule, which of the following ...

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  3. Enthalpy may be given as :

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  4. Which of the following is the correct relationship between H (enthalpy...

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  5. If Delta H is the heat of reaction at constant pressure, Delta U is th...

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  6. In which of the following reactions will Delta U be equal to Delta H ?

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  7. For the reaction : N(2) + 3H(2) rarr NH(3) : Delta H is equal to :

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  8. The heats of combustion of carbon monoxide at constant pressure and.at...

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  9. Reaction exist in solid and liquid states :

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  10. Given the reaction at 967^(@)C and 1 atm. CaCO(3)(s)hArrCaO(s)+CO(2)...

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  11. The molar heat ofreaction of NH(4)NO(3(s)) rarr N(2)O((g)) + 2H(2)O((l...

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  12. For the gaseous reaction: 2A((g))+3B((g)) rarr 3C((g))+4D((g))" at "...

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  13. In an isothermal reversible cyclic process, the total change in intern...

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  14. Internal energy does not include

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  15. In internal energy, the kinetic energy component consists of

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  16. The vibrational energy is not possessed by which of the following?

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  17. An axis of rotation and the line joining the two nuclei of a molecule ...

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  18. The vibrational energy is not possessed by which of the following?

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