99 ml of h2o is initially at room temperature, Physics

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99 ml of h2o is initially at room temperature

99 ml of H₂O is initially at room temperature (20.0^oC). A chilled steel rod at 2.0^oC is placed in the water. If the final temperature of the system is 18.7^oC, what is the mass of the steel bar? Specific heat of water = 4.18 J g^-1^oC^-1; specific heat of steel = 0.452 J g^-1^oC^-1

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