Melting Ice With Aluminum?? 1. The problem statement, all variables and given/known data How many grams of aluminum at 90 degrees C would have to be dropped into a hole in a block of ice at 0.0 degrees C to melt 10 g of ice? 2. Relevant equations Q = (m)(c)(deltaT) c of aluminum = 0.9 c of ice = 2.1 c of water = 4.186 333.7 kJ is needed to get past the ice/water boundary 3. The attempt at a solution I've tried setting up a few different equations, like: (.01 kg)(2.1)(+45) + (x kg)(0.9)(-45) = 0 (.01 kg)(2.1)(+45) + 333.7 + (x kg)(0.9)(-45) = 0 and a few others I don't have on hand, but I can't seem to get the correct answer. What do I use for delta T? Am I even doing this right at all? Thanks for your help.