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As isolated box, equally partitioned contains two ideal gases $\mathrm{A}$ and $\mathrm{B}$ as shown
When the partition is removed, the gases mix. The changes in enthalpy $(\Delta \mathrm{H})$ and entropy $(\Delta \mathrm{S})$ in the process, respectively, are
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When the partition is removed, the gases mix. The changes in enthalpy $(\Delta \mathrm{H})$ and entropy $(\Delta \mathrm{S})$ in the process, respectively, are
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zero, positive
According to KTG
Force of attraction and repulsion amongst molecules of ideal gas are negligible
So, $\Delta \mathrm{H}=0$
and randomness increases due to increase in volume so $\Delta \mathrm{S}=+\mathrm{ve}$.
Force of attraction and repulsion amongst molecules of ideal gas are negligible
So, $\Delta \mathrm{H}=0$
and randomness increases due to increase in volume so $\Delta \mathrm{S}=+\mathrm{ve}$.
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