Unrounded Rounded Value of Ceal (Average from Part 1), (J/°C) 22.5737954 22.57 Volume of standard HCl used, (mL) 14.12 (V Avg temperature of HCl and NaOH, T;, (°C) 22.030 22.03 AT, T¡ – T, (°C) 12.940 12.94 Mass of NaCl solution, (g) 36.27 Heat absorbed by calorimeter and the NaCl solution, qabs, (k) A Heat of reaction, qrxn, (k) Moles of H* used, (mol) Molarity of unknown solution, (M) 3. 3. 3. di
Unrounded Rounded Value of Ceal (Average from Part 1), (J/°C) 22.5737954 22.57 Volume of standard HCl used, (mL) 14.12 (V Avg temperature of HCl and NaOH, T;, (°C) 22.030 22.03 AT, T¡ – T, (°C) 12.940 12.94 Mass of NaCl solution, (g) 36.27 Heat absorbed by calorimeter and the NaCl solution, qabs, (k) A Heat of reaction, qrxn, (k) Moles of H* used, (mol) Molarity of unknown solution, (M) 3. 3. 3. di
Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter12: Thermodynamic Processes And Thermochemistry
Section: Chapter Questions
Problem 44P
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Question
Hi I need help calculating the last few values im confused!!
Transcribed Image Text:PART 2. DETERMINATION OF THE CONCENTRATION OF A STRONG ACID SOLUTION
EXPERIMENTAL DATA
. ΔΗ.
= -55.84 kJ/mol
neutralization
Mass of dry calorimeter, (g)
134.20
Initial burette reading, (mL)
1.51
Final burette reading, (mL)
15.63
Initial temperature of HCI, (°C)
22.08
Initial temperature of NaOH, (°C)
21.98
Mass of calorimeter and NaCl solution, (g)
170.47
Extrapolated temperature, T;, (°C)
34.97
Transcribed Image Text:CALCULATED VALUES
• The specific heat capacity of the solution is 3.74 J/g °C.
Unrounded
Rounded
Value of Ccal (Average from Part 1), (J/°C)
22.5737954
22.57
Volume of standard HCl used, (mL)
14.12
Avg temperature of HCl and NaOH,
Ti, (°C)
22.030
22.03
AT, T; – T;, (°C)
12.94
12.940
Mass of NaCl solution, (g)
36.27
Heat absorbed by calorimeter
and the NaCl solution, qabs, (kJ)
A
Heat of reaction, qrxn, (k))
Moles of H* used, (mol)
Molarity of unknown solution, (M)
3
>
>
3.
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