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Study the given graph and choose the cor...

Study the given graph and choose the correct option.

A

`DeltaH=` Net heat absorbed from the surroundings

B

`DeltaH=` Net heat given to the surroundings

C

`DeltaH=+ve` for the reaction

D

`DeltaH=` Total energy possessed by the reactants

Text Solution

Verified by Experts

The correct Answer is:
B
It shows that that the reaction is exothermic acid `DeltaH` is the heat given to the surroundings.
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NCERT FINGERTIPS-THERMODYNAMICS-Spontaneity
  1. The given enthalpy diagram reperesents which of the following reaction...

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  2. Study the given graph and choose the correct option.

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  3. In endothermic reactions,

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  4. The total entropy change (DeltaS("total")) for the system and surround...

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  5. Which of the following expressions regarding entropy is not correct?

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  6. For a reaction, P+Q rarr R+S. The value of DeltaH^(@) is -"30 kJ mol"^...

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  7. Which of the following reactions will have the value of DeltaS with a ...

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  8. A reaction is at equilibrium at 100^(@)C and the enthalpy change for t...

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  9. Enthalpy change for the process, H(2)O"(ice")hArr H(2)O"(water)" i...

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  10. At what temperature liquid water will be in equilibrium with water vap...

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  11. For a reaction: X rarr Y+Z Absolute entropies are X="120 J K"^(-1)"m...

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  12. What will be the melting point of KCl if enthalpy change for the reac...

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  13. For reversible reaction : X((g))+3Y((g))hArr 2Z((g)), DeltaH=-"40 kJ" ...

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  14. At 373 K, steam and water are in equilibrium and DeltaH=40.98" kJ mol"...

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  15. Match the column I with column II and mark the appropriate choice.

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  16. Read the following statements regarding spontaneity of a process and m...

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  17. Which of the following processes is a non-spontaneous process?

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  18. Which of the following statements regarding Gibb's energy change is co...

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  19. For a reaction to be spontaneous at any temperature, the conditions ar...

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  20. For the reaction given below the value of standard Gibbs free energy o...

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