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A 210 g sample of unknown, silvery metal at 59.0 ∘C is dropped into a calorimeter...

A 210 g sample of unknown, silvery metal at 59.0 ∘C is dropped into a calorimeter containing 230 gof 18.0 ∘C water.

Part A)If the equilibrium temperature is 20.0∘C, which material is the unknown likely to be?

A) Silver (c= 235 J/kg⋅∘C)
B) Steel (c= 500 J/kg⋅∘C)
C) Lead (c= 128 J/kg⋅∘C)
D) Aluminum (c= 900 J/kg⋅∘C)
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