Question

For the change $\Delta E = W - \Delta H$, $\Delta E = \Delta H + W$, the free energy change $\Delta E = \Delta H$. This indicates that.

• A. $N_{2}O_{4}(g)$ is in equilibrium with $2NO_{2}(g)$
• B. Water boils spontaneously at $2SO_{2}(g) + O_{2}(g)$
• C. Water does not boil spontaneously at $2SO_{3}(g)$
• D. Condensation of water vapour occurs spontaneously at $H_{2}(g) + I_{2}(g)$

Answer 1

Answer: (A)

$N_{2}O_{4}(g)$ is in equilibrium with $2NO_{2}(g)$

Answer 2

$\Delta E = Q \neq 0,W = 0$ for equilibrium.