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A block of ice has the shape of a parallelopipid. It measures A cm on one edge, 2A cm on a second side, and 3A cm along the third side. If the density of ice is given by D g cm-3, and the molar heat of fusion is 6.02 kJ mol-1, obtain an expression in terms of A and D that gives the total heat needed to melt the block of ice if its temperature is the normal melting point.

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