If a cube of ice at 0 $\circ$ C is placed outside on a warm summer day,the ice will melt spontaneously.What are the signs of $\Delta$_rH,$\Delta$_rS,and $\Delta$_rG for this process? A) ($\Delta$_rH) 0,$\Delta$_rG

Question

If a cube of ice at 0 $\circ$ C is placed outside on a warm summer day,the ice will melt spontaneously.What are the signs of $\Delta$_rH,$\Delta$_rS,and $\Delta$_rG for this process? A) ($\Delta$_rH) < 0,$\Delta$_rS > 0,$\Delta$_rG < 0 B) ($\Delta$_rH) < 0,$\Delta$_rS < 0,$\Delta$_rG < 0 C) ($\Delta$_rH) < 0,$\Delta$_rS > 0,$\Delta$_rG > 0 D) ($\Delta$_rH) > 0,$\Delta$_rS > 0,$\Delta$_rG < 0 E) ($\Delta$_rH) > 0,$\Delta$_rS < 0,$\Delta$_rG > 0

Quizplus · Accepted Answer

The melting of ice is an endothermic process, so ΔH > 0. The entropy increases as solid ice becomes liquid water, so ΔS > 0. Since the process is spontaneous, ΔG < 0.

If a Cube of Ice at 0 ∘\circ∘ C Is Placed Outside on a Warm Summer Day,the Ice

If a Cube of Ice at 0 ^$\circ$C Is Placed Outside on a Warm Summer Day,the Ice