Sample 1 Sample 2 [1] Volume of HCI (mL) 50.2 50.2 [2] Temperature of HCI (mL) 24.8 24.3 [3] Volume of NaOH (mL) 49.8 49.9 [4] Temperature of mixture after reaction ("C) 31.8 31.0 Temperature difference ("C) [5] Number calories evolved (cal) enter a positive value [6] Moles of H* that were neutralized (mol) [7] Calories evolved per mole of H* (cal/mol) Average of the two trials of calories evolved per mole of H*

Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter8: Thermochemistry
Section: Chapter Questions
Problem 12QAP: The heat of neutralization, Hneut, can be defined as the amount of heat released (or absorbed), q,...
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Table 3. Heat of neutralization data and calculations
Sample 1
Sample 2
[1] Volume of HCI (mL)
50.2
50.2
[2] Temperature of HCI (mL)
24.8
24.3
[3] Volume of NaOH (mL)
49.8
49.9
[4] Temperature of mixture after reaction ("C)
31.8
31.0
Temperature difference ("C)
[5] Number of calories evolved (cal) enter a positive value
[6] Moles of H* that were neutralized (mol)
[7] Calories evolved per mole of H* (cal/mol)
Average of the two trials of calories evolved per mole of H*
Transcribed Image Text:Table view D List view Table 3. Heat of neutralization data and calculations Sample 1 Sample 2 [1] Volume of HCI (mL) 50.2 50.2 [2] Temperature of HCI (mL) 24.8 24.3 [3] Volume of NaOH (mL) 49.8 49.9 [4] Temperature of mixture after reaction ("C) 31.8 31.0 Temperature difference ("C) [5] Number of calories evolved (cal) enter a positive value [6] Moles of H* that were neutralized (mol) [7] Calories evolved per mole of H* (cal/mol) Average of the two trials of calories evolved per mole of H*
Part A. Heat of Neutralization
Table 1. Heat of neutralization data
Sample 1
Sample 2
[1] Volume of HCI (mL)
50.2
50.2
[2] Temperature of HCI (°C)
24.8
24.3
[3] Volume of NaOH (mL)
49.8
49.9
[4] Temperature of mixture after reaction (°C)
31.8
31.0
Part B. Enthalpy of Solution of Salts
Table 2. Enthalpy of solution of salts data
FON*HN
MgSO4
[1] Mass of salt (g)
2.000
2.001
[2] Volume of DI water (mL)
50.1
50.1
[3] Temperature of DI water (*C)
25.0
24.5
[4] Temperature of mixture after dissolution (*C)
22.0
31.2
Part C. Specific Heat of a Metal
Enter the number corresponding to the identity of the metal.
1. Zinc
2. Aluminum
3. Steel
4. Tin
[1] Mass of metal (g)
19.985
[2] Volume of DI water (mL)
49.8
[3] Tinitial metal ("C)
97.0
[4] Tinitial water (°C)
24.7
[5] Tinal of mixture after addition of metal (°C)
25.9
Transcribed Image Text:Part A. Heat of Neutralization Table 1. Heat of neutralization data Sample 1 Sample 2 [1] Volume of HCI (mL) 50.2 50.2 [2] Temperature of HCI (°C) 24.8 24.3 [3] Volume of NaOH (mL) 49.8 49.9 [4] Temperature of mixture after reaction (°C) 31.8 31.0 Part B. Enthalpy of Solution of Salts Table 2. Enthalpy of solution of salts data FON*HN MgSO4 [1] Mass of salt (g) 2.000 2.001 [2] Volume of DI water (mL) 50.1 50.1 [3] Temperature of DI water (*C) 25.0 24.5 [4] Temperature of mixture after dissolution (*C) 22.0 31.2 Part C. Specific Heat of a Metal Enter the number corresponding to the identity of the metal. 1. Zinc 2. Aluminum 3. Steel 4. Tin [1] Mass of metal (g) 19.985 [2] Volume of DI water (mL) 49.8 [3] Tinitial metal ("C) 97.0 [4] Tinitial water (°C) 24.7 [5] Tinal of mixture after addition of metal (°C) 25.9
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