The accompanying diagram shows how entropy varies with

Problem 19.5

The accompanying diagram shows how entropy varies with temperature for a substance that is a gas at the highest temperature shown. (a) What processes correspond to the entropy increases along the vertical lines labeled 1 and 2? (b) Why is the entropy change for 2 larger than that for 1? (c) If this substance is a perfect crystal at T = 0 K, what is the value of S at this temperature? [Section 19.3]

                                                               Step by Step Solution

Step 1 of 3

a)

Melting and vaporization process corresponds to the entropy increases along the vertical line 1 and 2.

In the vertical line 1 the solid state changes into liquid state and in the vertical line 2 in the liquid state changes into vapor or gaseous state.

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