An unknown substance has a mass of 0.125 kg and an initial temperature of 95.5°C. The substance is then dropped into a calorimeter made of aluminum containing 0.285 kg of water initially at 20.5°C. The mass of the aluminum container is 0.150 kg, and the temperature of the calorimeter increases to a final equilibrium temperature of 32.0°C. Assuming no thermal energy is transferred to the environment, calculate the specific heat of the unknown substance. ? J/kg · °C
An unknown substance has a mass of 0.125 kg and an initial temperature of 95.5°C. The substance is then dropped into a calorimeter made of aluminum containing 0.285 kg of water initially at 20.5°C. The mass of the aluminum container is 0.150 kg, and the temperature of the calorimeter increases to a final equilibrium temperature of 32.0°C. Assuming no thermal energy is transferred to the environment, calculate the specific heat of the unknown substance. ? J/kg · °C
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter17: Energy In Thermal Processes: The First Law Of Thermodynamics
Section: Chapter Questions
Problem 4OQ
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An unknown substance has a mass of 0.125 kg and an initial temperature of 95.5°C. The substance is then dropped into a calorimeter made of aluminum containing 0.285 kg of water initially at 20.5°C. The mass of the aluminum container is 0.150 kg, and the temperature of the calorimeter increases to a final equilibrium temperature of 32.0°C. Assuming no thermal energy is transferred to the environment, calculate the specific heat of the unknown substance.
? J/kg · °C
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