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A volume of 75.0 mL m L of H2O H 2 O is initially at room temperature (22.00 ∘C ∘ C ). A chilled steel rod at 2.00 ∘C ∘ C is placed in the water. If the final temperature of the system is 21.00 ∘C ∘ C , what is the mass of the steel bar? Use the following values: specific heat of water = 4.18 J/(g⋅∘C) J / ( g ⋅ ∘ C ) specific heat of steel = 0.452 J/(g⋅∘C)