Given the following entropy values (in J/K-mol) at 298 K and 1 atm , and . The entropy change (in J/ — Thermodynamics and Thermochemistry Chemistry Question

Question

Given the following entropy values (in J/K-mol) at 298 K and 1 atm $\text{H}_2\text{(g)} = 130.6$, $\text{Cl}_2\text{(g)} = 223.0$ and $\text{HCl(g)} = 186.7$. The entropy change (in J/K-mol) for the reaction: $\text{H}_2\text{(g)} + \text{Cl}_2\text{(g)} \to 2\text{HCl(g)}$, is