A piece of unknown metal with mass 68.6 g is heated to an initial temperature of 100 °C and dropped into 42 g of water (with an initial temperature of 20 °C) in a calorimeter. The final temperature of the system is 52.1°C. The specific heat of water is 4.184 J/g*⁰C. What is the specific heat of the metal?please do anyone knows the correct answer
A.0.171
B.0.342
C.1.717
D.3.420
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the answer of this question is: 3.420
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