For each of the following pairs of substances, which substance has the greater value of $S^{\circ}$ at $25^{\circ} \mathrm{C}$ and 1 atm?a. Cgraphite $(s)$ or $C_{\text {diamond }}(s)$ b. $\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH}(l)$ or $\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH}(g)$ c. $\mathrm{CO}_{2}(s)$ or $\mathrm{CO}_{2}(g)$ d. $\mathrm{N}_{2} \mathrm{O}(g)$ or $\mathrm{He}(g)$ e. $\mathrm{HF}(g)$ or $\mathrm{HCl}(g)$

          For each of the following pairs of substances, which substance has the greater value of $S^{\circ}$ at $25^{\circ} \mathrm{C}$ and 1 atm?a. Cgraphite $(s)$ or $C_{\text {diamond }}(s)$
b. $\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH}(l)$ or $\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH}(g)$
c. $\mathrm{CO}_{2}(s)$ or $\mathrm{CO}_{2}(g)$
d. $\mathrm{N}_{2} \mathrm{O}(g)$ or $\mathrm{He}(g)$
e. $\mathrm{HF}(g)$ or $\mathrm{HCl}(g)$

Added by Juan Antonio G.

Chemistry: Structure and Properties

Nivaldo Tro 2nd Edition

Instant Answer

Solved by Expert Dinesh Singh

02/24/2022

Step 1

Cgraphite (s) or Cdiamond (s) The standard molar entropy, S°, is a measure of the disorder or randomness of a substance. In general, the more complex and disordered a substance is, the greater its value of S°. In this case, graphite is a more complex and Show more…

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For each of the following pairs of substances, which substance has the greater value of $S^{\circ}$ at $25^{\circ} \mathrm{C}$ and 1 atm?a. Cgraphite $(s)$ or $C_{\text {diamond }}(s)$ b. $\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH}(l)$ or $\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH}(g)$ c. $\mathrm{CO}_{2}(s)$ or $\mathrm{CO}_{2}(g)$ d. $\mathrm{N}_{2} \mathrm{O}(g)$ or $\mathrm{He}(g)$ e. $\mathrm{HF}(g)$ or $\mathrm{HCl}(g)$