A volume of 120. mL of H2O is initially at room temperature (22.0 °C). A chilled steel rod at 2.00 °C is placed in the water. If the final temperature of the system is 21.0 °C , what is the mass of the steel bar? Use the following values: specific heat of water = 4.18 J g1 °C-1 specific heat of steel = 0.452 J g¯1 °C1 Express your answer to three significant figures and include the appropriate units.

Question
A volume of 120. mL of H2O is initially at room temperature (22.0 °C). A chilled steel rod at
2.00 °C is placed in the water. If the final temperature of the system is 21.0 °C , what is the
mass of the steel bar?
Use the following values:
specific heat of water = 4.18 J g1 °C-1
specific heat of steel = 0.452 J g¯1 °C1
Express your answer to three significant figures and include the appropriate units.
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Transcribed Image Text

A volume of 120. mL of H2O is initially at room temperature (22.0 °C). A chilled steel rod at 2.00 °C is placed in the water. If the final temperature of the system is 21.0 °C , what is the mass of the steel bar? Use the following values: specific heat of water = 4.18 J g1 °C-1 specific heat of steel = 0.452 J g¯1 °C1 Express your answer to three significant figures and include the appropriate units.