Sample 1 Sample 2 [1] Volume of HCl (mL) 50.1   50.2   [2] Temperature of HCl (mL) 24.3   25.0   [3] Volume of NaOH (mL) 49.9   50.1   [4] Temperature of mixture after reaction (°C) 31.0   31.7   Temperature difference (°C)   6.7   6.7 [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)

Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter14: Equilibria In Acid-base Solutions
Section: Chapter Questions
Problem 64QAP
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Question
Please explain and answer 5, 6, and 7. 
Table 3. Heat of neutralization data and calculations
 
Sample 1
Sample 2
[1] Volume of HCl (mL)
50.1
 
50.2
 
[2] Temperature of HCl (mL)
24.3
 
25.0
 
[3] Volume of NaOH (mL)
49.9
 
50.1
 
[4] Temperature of mixture after reaction (°C)
31.0
 
31.7
 
Temperature difference (°C)
 
6.7
 
6.7
[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)
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