In which of the following processes does entropy increase?

The value of $\Delta S$ for freezing of $10 \ g$ of $H_2O_{(l)}$ (enthalpy of fusion is $80 \ cal/g$) at $0 \ ^\circ C$ and $1 \ atm$ pressure is.......$J/K$

For the reaction $NH_4Cl_{(s)} \rightarrow NH_{3(g)} + HCl_{(g)}$,the entropy change is ...... .

For a spontaneous endothermic process at constant pressure,which of the following is true?

When a solid is converted into liquid,entropy

One mole of which of the following has the highest entropy?