A 0600-Kg Piece of Metal X Is Heated to 100°C and and Placed

question 63

Multiple Choice

A 0.600-kg piece of metal X is heated to 100°C and placed in an aluminum can of mass 0.200-kg which contains 0.500 kg of water initially at 17.3°C.The final equilibrium temperature of the mixture is 20.2°C,what is the specific heat of metal X? The specific heats of water and aluminum are 4186 J/kg ∙ K (water) and 910 J/kg ∙ K (aluminum) .

• A)140 J/kg ∙ K
• B)270 J/kg ∙ K
• C)450 J/kg ∙ K
• D)900 J/kg ∙ K

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