At $300 \ K$,for the reaction $A \rightarrow P$,the $\Delta S_{sys}$ is $5 \ J \ K^{-1} \ mol^{-1}$. What is the heat absorbed (in $kJ \ mol^{-1}$) by the system?

Which of the following processes is associated with a decrease in entropy?

Mixing of non-reacting gases is generally accompanied by

What is the change in entropy of the surroundings for the reaction, $H_2(g) + 1/2 O_2(g) \rightarrow H_2O(l)$ at $298 \text{ K}$, if the standard enthalpy of formation of water is $-286 \text{ kJ mol}^{-1}$?

According to the second law of thermodynamics,which of the following is true for a spontaneous process?

In which of the following processes is the maximum increase in entropy observed?