PART 1. DETERMINATION OF THE HEAT CAPACITY OF THE CALORIMETER EXPERIMENTAL DATA • AH neutralization = -55.84 kJ/mol Run 1 Run 2 Mass of dry calorimeter, (g) 122.18 121.90 Molarity of the standard HCl, (M) 2.965 Initial burette reading, (mL) 0.02 2.64 Final burette reading, (mL) 14.15 16.75 Initial temperature of HCl, (°C) 22.18 22.78 Initial temperature of NaOH, (°C) 22.60 23.71 Mass of calorimeter and NaCl solution, (g) 149.39 149.40 Extrapolated temperature, Tf, (°C) 41.24 41.84

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CALCULATED VALUES
• The specific heat capacity of the solution is 3.74 J/g °C.
• If Ccal is negative, enter 0.
Run 1
Run 2
Unrounded
Rounded
Unrounded
Rounded
Volume of standard HCl used, (mL)
3
3
Moles of Ht used, (mol)
3.
Heat of reaction, qrxn, 0)
3
Heat absorbed by calorimeter
and the NaCl solution, qabs, 0)
Avg temperature of HCl and NaOH,
T;, (°C)
3
AT, T; – T;, (°C)
3.
3
Mass of NaCl solution, (g)
3
3
Ccal, 0/°C)
3.
3.
3.
3.
3.
3.
Transcribed Image Text:CALCULATED VALUES • The specific heat capacity of the solution is 3.74 J/g °C. • If Ccal is negative, enter 0. Run 1 Run 2 Unrounded Rounded Unrounded Rounded Volume of standard HCl used, (mL) 3 3 Moles of Ht used, (mol) 3. Heat of reaction, qrxn, 0) 3 Heat absorbed by calorimeter and the NaCl solution, qabs, 0) Avg temperature of HCl and NaOH, T;, (°C) 3 AT, T; – T;, (°C) 3. 3 Mass of NaCl solution, (g) 3 3 Ccal, 0/°C) 3. 3. 3. 3. 3. 3.
PART 1. DETERMINATION OF THE HEAT CAPACITY OF THE CALORIMETER
EXPERIMENTAL DATA
. ΔΗ
-55.84 kJ/mol
neutralization
Run 1
Run 2
Mass of dry calorimeter, (g)
122.18
121.90
Molarity of the standard HCI, (M)
2.965
Initial burette reading, (mL)
0.02
2.64
Final burette reading, (mL)
14.15
16.75
Initial temperature of HCl, (°C)
22.18
22.78
Initial temperature of NaOH, (°C)
22.60
23.71
Mass of calorimeter and NaCl solution, (g)
149.39
149.40
Extrapolated temperature, T;, (°C)
41.24
41.84
Transcribed Image Text:PART 1. DETERMINATION OF THE HEAT CAPACITY OF THE CALORIMETER EXPERIMENTAL DATA . ΔΗ -55.84 kJ/mol neutralization Run 1 Run 2 Mass of dry calorimeter, (g) 122.18 121.90 Molarity of the standard HCI, (M) 2.965 Initial burette reading, (mL) 0.02 2.64 Final burette reading, (mL) 14.15 16.75 Initial temperature of HCl, (°C) 22.18 22.78 Initial temperature of NaOH, (°C) 22.60 23.71 Mass of calorimeter and NaCl solution, (g) 149.39 149.40 Extrapolated temperature, T;, (°C) 41.24 41.84
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