State whether the following phrases pertain to (A) spontaneity, (B) reversibilit

Q: State whether the following phrases pertain to (A) spontaneity, (B) reversibilit

a) The reaction can spontaneously proceed to the right A B b) When S < 0 and H < 0, the process will be spontaneous at low temperatures and non-spontaneous at high temperatures c) In a reversible process like Carnot cycle, work done is maximum. d) both spontaneity and reversibility e) This applies whether the process is reversible or irreversible f) neither spontaneity nor reversibility

ID: 3308753 • Letter: S

Question

State whether the following phrases pertain to (A) spontaneity, (B) reversibility, (C) both spontaneity and reversibility, or (D) neither spontaneity nor reversibility (12 pt)

a) Established for G<0 at constant T.

b) Established for S<0.

c) Established for a process in which the work done is a maximum.

d) Illustrated by the migration of a solute from a region of high concentration to low concentration.

e) Required for determination of S by the heat transferred.

f) Implies that the coupling of coupled reaction is very efficient.

Explanation / Answer

a) The reaction can spontaneously proceed to the right A B

b) When S < 0 and H < 0, the process will be spontaneous at low temperatures and non-spontaneous at high temperatures

c) In a reversible process like Carnot cycle, work done is maximum.

d) both spontaneity and reversibility

e) This applies whether the process is reversible or irreversible

f) neither spontaneity nor reversibility

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State whether the following phrases pertain to (A) spontaneity, (B) reversibilit

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