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In which of the following process DeltaH...

In which of the following process `DeltaH` and `DeltaU` are of same magnitude

A

Evaporation of `C Cl_(4)(l)`

B

`CaCO_(3)(s) rarr CaO(s) +CO_(2) (g)`

C

`NH_(4)Cl(s) rarr NH_(4)Cl(g)`

D

`2HI(g) rarr H_(2)(g) +I_(2)(g)`

Text Solution

AI Generated Solution

To determine in which process the change in enthalpy (ΔH) and the change in internal energy (ΔU) are of the same magnitude, we can use the relationship between these two thermodynamic quantities. The equation that relates ΔH and ΔU is: \[ \Delta H = \Delta U + P \Delta V \] Where: - \(P\) is the pressure, ...
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CENGAGE CHEMISTRY ENGLISH-THERMODYNAMICS-Exercises (Single Correct)
  1. For a process H(2)O(s) rarr H(2)O(l) at 273 K

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  2. i. At absolute zero the entropy of a perfect crystal is zero. This sta...

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  3. In which of the following process DeltaH and DeltaU are of same magnit...

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  4. Energy can transfer from system to surroundings as work if

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  5. The state of equilibrium refers to

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  6. For hypothetical reversible reaction 1//2A(2)(g) +3//2B(2)(g) rarr A...

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  7. If values of Delta(f)H^(Theta) of ICl(g),Cl(g), and I(g) are, respecti...

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  8. If S+O(2)toSO(2),DeltaH=-298.2 " kJ" " mole"^(-1) SO(2)+(1)/(2)O(2)t...

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  9. Under which of the following condition is the relation DeltaH = DeltaU...

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  10. Evaporation of water is

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  11. Which of the following reaction is endothermic?

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  12. Which of the following is an endothermic reaction?

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  13. Calculate heat of formation of KOH(s) using the following equations ...

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  14. Since the enthalpy of elements in their natural state is taken to be z...

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  15. A reaction A +B rarr C+D +q is found to have a positive entropy change...

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  16. Molar heat capacity of water in equilibrium with the ice at constant p...

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  17. Standard molar enthalpy of formation of CO(2) is equal to :

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  18. A process is called reversible when

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  19. Which one of the following statements is false?

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  20. Identify intensive property from the following

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