An irregular lump of an unknown metal has a measured density of 5.61 g/mL. The metal is heated to a temperature of 159 °C and placed in a graduated cylinder filled with 25.0 mL of water at 25.0 °C. After the system has reached thermal equilibrium, the volume in the cylinder is read at 31.0 mL, and the temperature is recorded as 44.6 °C. What is the specific heat of the unknown metal sample? Assume no heat is lost to the surroundings.

Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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**Transcription for Educational Website:**

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An irregular lump of an unknown metal has a measured density of 5.61 g/mL. The metal is heated to a temperature of 159 °C and placed in a graduated cylinder filled with 25.0 mL of water at 25.0 °C. After the system has reached thermal equilibrium, the volume in the cylinder is read at 31.0 mL, and the temperature is recorded as 44.6 °C. What is the specific heat of the unknown metal sample? Assume no heat is lost to the surroundings.

\[
c = \boxed{\phantom{0000}} \quad \text{J/g} \cdot °\text{C}
\]

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**Explanation of the Diagram (if applicable):**

The provided text outlines a calorimetry experiment where an unknown metal is used to determine its specific heat. The experiment involves heating the metal and submerging it in water to observe the change in water volume and temperature once equilibrium is reached. The task is then to calculate the specific heat capacity of the metal based on given data and known formulas in calorimetry, assuming no heat loss to the surroundings.
Transcribed Image Text:**Transcription for Educational Website:** --- An irregular lump of an unknown metal has a measured density of 5.61 g/mL. The metal is heated to a temperature of 159 °C and placed in a graduated cylinder filled with 25.0 mL of water at 25.0 °C. After the system has reached thermal equilibrium, the volume in the cylinder is read at 31.0 mL, and the temperature is recorded as 44.6 °C. What is the specific heat of the unknown metal sample? Assume no heat is lost to the surroundings. \[ c = \boxed{\phantom{0000}} \quad \text{J/g} \cdot °\text{C} \] --- **Explanation of the Diagram (if applicable):** The provided text outlines a calorimetry experiment where an unknown metal is used to determine its specific heat. The experiment involves heating the metal and submerging it in water to observe the change in water volume and temperature once equilibrium is reached. The task is then to calculate the specific heat capacity of the metal based on given data and known formulas in calorimetry, assuming no heat loss to the surroundings.
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