An aluminum rod is heated to 225 ºC and placed in a coffee cup calorimeter containing 250.0 g of water at 22.0 ºC. After the system has reached thermal equilibrium, the temperature of the water is found to be 51.0 ºC. What was the mass of the rod? Assume no heat is lost to the calorimeter. Cs(Al) = 0.921 J g-1 ºC-1 Cs(H2O) = 4.18 J g-1 ºC-1 Explain full math and formulas

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Chapter11: Energy In Thermal Processes
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An aluminum rod is heated to 225 ºC and placed in a coffee cup calorimeter containing 250.0 g of water at 22.0 ºC. After the system has reached thermal equilibrium, the temperature of the water is found to be 51.0 ºC. What was the mass of the rod? Assume no heat is lost to the calorimeter.
Cs(Al) = 0.921 J g-1 ºC-1
Cs(H2O) = 4.18 J g-1 ºC-1

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