Physics

Problem

30.0\,\text{g}

sample of ice at

-10\,^{\circ}\text{C}

absorbs

8.0\,\text{kJ}

of heat at

1\,\text{atm}

. After the system reaches equilibrium at

0\,^{\circ}\text{C}

, how many grams of ice remain unmelted? Data: • Specific heat capacity of ice =

2.09\,\text{J}\,\text{g}^{-1}\,^{\circ}\text{C}^{-1}

• Molar enthalpy of fusion =

6.01\,\text{kJ}\,\text{mol}^{-1}

• Molar mass of

\text{H}_2\text{O}

18.0\,\text{g}\,\text{mol}^{-1}

22.1\,\text{g}

9.8\,\text{g}

7.9\,\text{g}

6.0\,\text{g}