Alpha Question Bank for Medical: Chemistry>Chapter 4 - Thermodynamics>Exercise 1>Q 31

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Entropy change in the dissolution of urea solid into water solvent is:-

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Important Questions on Thermodynamics

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Alpha Question Bank for Medical: Chemistry>Chapter 4 - Thermodynamics>Exercise 1>Q 32

Adiabatic reversible expansion of a gas is represented by:-

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Alpha Question Bank for Medical: Chemistry>Chapter 4 - Thermodynamics>Exercise 1>Q 33

The spontaneous nature of a reaction is impossible if -

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Alpha Question Bank for Medical: Chemistry>Chapter 4 - Thermodynamics>Exercise 1>Q 34

If

ΔH > 0

and

ΔS > 0,

the reaction proceeds spontaneousiy when -

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Alpha Question Bank for Medical: Chemistry>Chapter 4 - Thermodynamics>Exercise 1>Q 35

The enthalpy change of a reaction does not depend upon:

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Alpha Question Bank for Medical: Chemistry>Chapter 4 - Thermodynamics>Exercise 1>Q 36

Which of the following reaction can be used to define the heat of formation of

{CO}_{2} (g)

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Alpha Question Bank for Medical: Chemistry>Chapter 4 - Thermodynamics>Exercise 1>Q 37

Which respresent an exothermic reaction -

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Alpha Question Bank for Medical: Chemistry>Chapter 4 - Thermodynamics>Exercise 1>Q 38

2 Zn + O_{2} \to 2 ZnO; ΔG ° = - 616 J

2 Z n + S_{2} \to 2 Z n S; Δ G ° = - 293 J

S_{2} + 2 O_{2} \to 2 S O_{2}; Δ G ° = - 408 J

Δ G °

for the following reaction

2 Z n S + 3 O_{2} \to 2 Z n O + 2 S O_{2}

is

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Alpha Question Bank for Medical: Chemistry>Chapter 4 - Thermodynamics>Exercise 1>Q 39

$H_{2} {SO}_{4} (ℓ) +$ aqueous $\to H_{2} {SO}_{4} (aq)$ then the heat of reaction is called: