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If 5.00 g of copper (Csh = 0.390 J/g°C), 3.00 g of iron (Csh = 0.450...

If 5.00 g of copper (Csh = 0.390 J/g°C), 3.00 g of iron (Csh = 0.450 J/g°C), and 4.00 g of zinc (Csh =
0.380 J/g°C) at 60 °C are dropped into a beaker containing 100.0 mL of isopropanol (Csh = 2.60 J/g°C;
d = 0.786 g/mL) at 15 °C, what is the final temperature of the mixture

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