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calculate the specific heat and the molar capacity, C of the metal (part 3).

calculate the specific heat and the molar capacity, C of the metal (part 3).

Chemistry: The Molecular Science
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter4: Energy And Chemical Reactions
Section: Chapter Questions
Problem 120QRT
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calculate the specific heat and the molar capacity, C of the metal (part 3). thank you!
O Part 3. Specific Heat of a Metal Begin the temperature equilibration of the metal at the beginning of the lab. Record the type of metal. (Enter "1" for aluminum; enter "2" for copper.) 1 Record the following masses to the nearest 0.01 g. Table 5 Mass (g) Metal 49 30.22 Calorimeter 4.0 28.54 Calorimeter & Water 40 127.99 Water 4 99.45 Enter the following temperatures to the nearest 0.1°C. Table 6 Temperature (°C) Calorimeter & Water 4 19.5 Boiling Water Bath 40 99.6 Maximum Temperature Reached 49 23.9 Results Calculate the specific heat and the molar heat capacity, C, of your metal, using Eq. 10d, in units of J/g · °C and J/mol · °C respectively. (Enter your answers to three significant figures.) AH, + AHcalorimeter + AH2 = m1Cwater(Tfinal - T1) + Ccalorimeter(Trinal - T1) + m2c2(Tfinal - T2) = 0 J/g - °C J/mol · °C
Transcribed Image Text:O Part 3. Specific Heat of a Metal Begin the temperature equilibration of the metal at the beginning of the lab. Record the type of metal. (Enter "1" for aluminum; enter "2" for copper.) 1 Record the following masses to the nearest 0.01 g. Table 5 Mass (g) Metal 49 30.22 Calorimeter 4.0 28.54 Calorimeter & Water 40 127.99 Water 4 99.45 Enter the following temperatures to the nearest 0.1°C. Table 6 Temperature (°C) Calorimeter & Water 4 19.5 Boiling Water Bath 40 99.6 Maximum Temperature Reached 49 23.9 Results Calculate the specific heat and the molar heat capacity, C, of your metal, using Eq. 10d, in units of J/g · °C and J/mol · °C respectively. (Enter your answers to three significant figures.) AH, + AHcalorimeter + AH2 = m1Cwater(Tfinal - T1) + Ccalorimeter(Trinal - T1) + m2c2(Tfinal - T2) = 0 J/g - °C J/mol · °C
O Part 1. Heat Capacity of the Calorimeter Record the following masses to the nearest 0.01 g. Table 1 Mass (g) 40 28.00 Empty Calorimeter Calorimeter & Room Temperature Water 4 127.95 Room Temperature Water 40 99.95 Calorimeter & All Water 40 228.20 Warm Water 4.0 100.25 Enter the following temperatures to the nearest 0.1°C. Table 2 Initial Temperature (°c) Final Temperature (°C) Calorimeter & Room Temperature Water 49 Warm Water Calorimeter & All Water 19.5 35.2 27.5 Results Calculate the heat capacity of your calorimeter, using Eq. 9d. (Enter your answer to three significant figures. The heat capacity of water is 4.184 Jlg - °C) AH, + AHcalorimeter *+ AH2 = m,Cwater(Tfinal - T1) + Ccalorimeter(Trinal - T1) + m2c2(Tinal - T2) = 0 v Jrc -14.5 Enter the heat capacity of the calorimeter in J°C that will be used for parts 2 and 4a. (Enter your answer to three significant figures.) 49) 83.2 J/C Enter the heat capacity of the calorimeter in J/°C that will be used for parts 3 and 4b. (Enter your answer to three significant figures.) 9 1.63e2
Transcribed Image Text:O Part 1. Heat Capacity of the Calorimeter Record the following masses to the nearest 0.01 g. Table 1 Mass (g) 40 28.00 Empty Calorimeter Calorimeter & Room Temperature Water 4 127.95 Room Temperature Water 40 99.95 Calorimeter & All Water 40 228.20 Warm Water 4.0 100.25 Enter the following temperatures to the nearest 0.1°C. Table 2 Initial Temperature (°c) Final Temperature (°C) Calorimeter & Room Temperature Water 49 Warm Water Calorimeter & All Water 19.5 35.2 27.5 Results Calculate the heat capacity of your calorimeter, using Eq. 9d. (Enter your answer to three significant figures. The heat capacity of water is 4.184 Jlg - °C) AH, + AHcalorimeter *+ AH2 = m,Cwater(Tfinal - T1) + Ccalorimeter(Trinal - T1) + m2c2(Tinal - T2) = 0 v Jrc -14.5 Enter the heat capacity of the calorimeter in J°C that will be used for parts 2 and 4a. (Enter your answer to three significant figures.) 49) 83.2 J/C Enter the heat capacity of the calorimeter in J/°C that will be used for parts 3 and 4b. (Enter your answer to three significant figures.) 9 1.63e2
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