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Consider the following statement associated with phase transition. Which of the statement(s) is/are correct ?
  • a)
    Phase transition takes place under isobaric isothermal conditions.
  • b)
    In the first order phase transition, volume and entropy remain constant.
  • c)
    In the second - order phase transition, Gibbs function remain constant. 
  • d)
    In the first - order phase transition, Gibbs function remain constant.
Correct answer is option 'A,C'. Can you explain this answer?
Verified Answer
Consider the following statement associated with phase transition. Whi...
There is two type of phase transition's
(i) First order phase transition
(ii) Second order phase transition 
In first order phase transition
(i) T and P are constant
(ii) dQ changes
⇒ G, the Gibb's function remain constant.
In second order phase change
(i) density and entropy changes slowly
 are continuous.
(iii) G becomes discontinuous.
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Most Upvoted Answer
Consider the following statement associated with phase transition. Whi...
Explanation:
Phase transition refers to the transformation of a substance from one phase to another under specific conditions. Here are the correct statements associated with phase transition:

a) Phase transition takes place under isobaric isothermal conditions:
This statement is correct because isobaric means constant pressure and isothermal means constant temperature. Phase transition generally takes place under such conditions because it involves a change in the state of matter while keeping the pressure and temperature constant.

b) In the first order phase transition, volume and entropy remain constant:
This statement is incorrect because in the first-order phase transition, there is a change in volume and entropy. For example, during the melting of ice, the volume and entropy of the system increase.

c) In the second-order phase transition, Gibbs function remains constant:
This statement is correct because in the second-order phase transition, the Gibbs free energy remains constant. This means that the system is in a state of equilibrium and there is no change in the Gibbs free energy.

d) In the first-order phase transition, Gibbs function remains constant:
This statement is incorrect because in the first-order phase transition, there is a change in the Gibbs free energy. For example, during the solid-liquid phase transition, the Gibbs free energy decreases.

Conclusion:
Therefore, the correct statements associated with phase transition are a) Phase transition takes place under isobaric isothermal conditions and c) In the second-order phase transition, Gibbs function remains constant.
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Consider the following statement associated with phase transition. Which of thestatement(s) is/are correct ?a)Phase transition takes place under isobaric isothermal conditions.b)In the first order phase transition, volume and entropy remain constant.c)In the second - order phase transition, Gibbs function remain constant.d)In the first - order phase transition, Gibbs function remain constant.Correct answer is option 'A,C'. Can you explain this answer?
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