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A copper block of mass \( 3 \mathrm{~kg} \) is at temperature of \( 30^{\circ} \mathrm{C} \) is heated in a furnace to a temperature of \( 500^{\circ} \mathrm{C} \). Calculate the amount of heat gained by the copper block. Now the copper block is placed on a large ice block, determine the maximum amount of ice that can melt. Given specific heat of copper is \( 390 \mathrm{~J} \mathrm{~kg}^{-1} \mathrm{~K}^{-1} \), heat of fusion of water
\[
3.35 \times 10^{5} \mathrm{Jkg}^{-1} \text {. }
\]
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