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One way to do this is to use a common metal of known heat capacity. Water In the laboratory a student heats 99.09 g iron to 98.64 °C and carefully lowers it into a cup containing 85.36 g water at 22.82 °C. She Metal measures the final temperature to be 31.10 °C. sample Using the accepted value for the specific heat capacity of iron (See the References tool), calculate the calorimeter constant. 2003 Thom Brooks

One way to do this is to use a common metal of known heat capacity. Water In the laboratory a student heats 99.09 g iron to 98.64 °C and carefully lowers it into a cup containing 85.36 g water at 22.82 °C. She Metal measures the final temperature to be 31.10 °C. sample Using the accepted value for the specific heat capacity of iron (See the References tool), calculate the calorimeter constant. 2003 Thom Brooks

General Chemistry - Standalone book (MindTap Course List)
General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter6: Thermochemisty
Section: Chapter Questions
Problem 6.132QP
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In the laboratory a "coffee cup" calorimeter, or constant pressure calorimeter, is frequently used to determine the specific heat capacity of a solid, or to measure the enthalpy change of a solution phase reaction. A student heats 66.56 g iron to 99.38 °C and carefully lowers it into a cup containing 84.64 g water at 21.17 °C. She measures the final temperature to be 26.99 °C. The heat capacity of the calorimeter (sometimes referred to as the calorimeter constant) was determined in a separate experiment to be 1.81 J/°C. Assuming that there is no heating of the surroundings calculate the specific heat capacity of iron. Specific Heat (Fe) = 0.451 J g-1 °C-1. Water Thermometer Metal- sample 2003 Thomson-Brooks/Cole Stirring rod
Transcribed Image Text:In the laboratory a "coffee cup" calorimeter, or constant pressure calorimeter, is frequently used to determine the specific heat capacity of a solid, or to measure the enthalpy change of a solution phase reaction. A student heats 66.56 g iron to 99.38 °C and carefully lowers it into a cup containing 84.64 g water at 21.17 °C. She measures the final temperature to be 26.99 °C. The heat capacity of the calorimeter (sometimes referred to as the calorimeter constant) was determined in a separate experiment to be 1.81 J/°C. Assuming that there is no heating of the surroundings calculate the specific heat capacity of iron. Specific Heat (Fe) = 0.451 J g-1 °C-1. Water Thermometer Metal- sample 2003 Thomson-Brooks/Cole Stirring rod
In the laboratory a "coffee cup" calorimeter, or constant pressure calorimeter, is frequently used to determine the specific heat capacity of a solid, or to measure the enthalpy of a solution phase reaction. Since the cup itself can absorb energy, a separate experiment is needed to determine the heat capacity of the calorimeter. This is known as calibrating the calorimeter and the value determined is called the calorimeter constant. One way to do this is to use a common metal of known heat capacity. In the laboratory a student heats 99.09 g iron to 98.64 °C and carefully lowers it into a cup containing 85.36 g water at 22.82 °C. She Metal measures the final temperature to be 31.10 °C. sample Using the accepted value for the specific heat capacity of iron (See the References tool), calculate the calorimeter constant. Calorimeter Constant = J/°C. Thermometer Water 2003 Thomson-Brooks/Cole Stirring rod
Transcribed Image Text:In the laboratory a "coffee cup" calorimeter, or constant pressure calorimeter, is frequently used to determine the specific heat capacity of a solid, or to measure the enthalpy of a solution phase reaction. Since the cup itself can absorb energy, a separate experiment is needed to determine the heat capacity of the calorimeter. This is known as calibrating the calorimeter and the value determined is called the calorimeter constant. One way to do this is to use a common metal of known heat capacity. In the laboratory a student heats 99.09 g iron to 98.64 °C and carefully lowers it into a cup containing 85.36 g water at 22.82 °C. She Metal measures the final temperature to be 31.10 °C. sample Using the accepted value for the specific heat capacity of iron (See the References tool), calculate the calorimeter constant. Calorimeter Constant = J/°C. Thermometer Water 2003 Thomson-Brooks/Cole Stirring rod
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