2.00 min 33.8 32.9 2.25 min 32.7 0.0 2.50 min 0.0 0.0 2.75 min 0.0 0.0 3.00 min 0.0 0.0 3.25 min 0.0 0.0 3.50 min 0.0 0.0 3.75 min 0.0 0.0 0.0 0.0 4.00 min Maximum temperature (C) (To be used in calculations) 34.4 34.6 Part B Data Time-temperatue data for Part B Run 2 Run 1 0.3496 0.3388 Mass of weighing paper (g) 0.8512 0.8268 Mass of weighing paper and Mg (g) 2.054 2.054 Molarity of HCl solution (M) 50.4 50.5 Volume of HCl solution (mL) 50.0 49.8 Volume of water added to HCl solution (mL) Initial temperature of HCl solution (C) 20.9 21.4 Temperature of solution every 0.25 min/15 sec (C) 0.25 min 23.2 23.6 0.50 min 25.2 25.6 0.75 min 27.3 28.1 1.00 min 29.8 29.9 1.25 min 31.7 32.3 1.50 min 34.0 34.6 1.75 min 36.4 36.7 38.1 38.6 2.00 min 40.3 41.0 2.25 min 42.7 43.1 2.50 min 42.7 43.1 2.75 min 42.2 41.8 3.00 min 40.9 40.6 3.25 min 0.0 38.4 3.50 min 0.0 0.0 3.75 min 0.0 0.0 4.00 min (10.5pts) Part A: Determining the Heat Capacity of the Calorimeter Complete the table below. It may be helpful to refer to the pre-lab questions and sample calculations in the lab manual. Table view List view Part A: Heat capacity calculations Run 1 Run 2 Initial temperature of HCl solution (C) 20.9 21.4 Initial temperature of NaOH solution (C) 21.2 21.0 Average initial temperature of HCI- NaOH solution (C) 21.1 21.2 Maximum temperature of HCl-NaOH solution (C) 34.4 34.6 Maximum temperature change for reaction (C) 13.3 13.4 52.0 51.0 Volume of HCl solution (mL) 55.8 54.6 Volume of NaOH solution (mL) Total Volume of HCl plus NaOH solutions (mL) 107.8 105.6 Mass of final NaCl solution (g) assume 1 M NaCl has a density of 1.04 g/mL 112.11 109.82 Part A Data Time-temperatue data for Part A Run 1 Run 2 Molarity of HCl solution (M) 2.054 2.054 Volume of HCl solution (ml) 52.0 51.0 Molarity of NaOH solution (M) 2.035 2.035 Volume of NaOH solution (mL) 55.8 54.6 Initial temperature of HCl solution (C) 20.9 21.4 Initial temperature of NaOH solution (C) 21.2 21.0 Temperature of solution every 0.25 min/15 sec (C) 0.25 min 23.9 23.9 0.50 min 26.6 26.8 0.75 min 29.0 29.5 1.00 min 31.7 32.2 1.25 min 34.4 34.6 1.50 min 34.4 34.6 1.75 min 34.1 33.9 assume the heat capacity of 1 M NaCl is 3.93 J/g C) 5859.88 5783.34 Molarity of HCl solution (M) 2.054 2.054 Moles of H20 formed in reaction (mol) Heat expected from moles of H20 formed (J) assume 57,320 J per mole of H20 Heat absorbed by calorimeter (J) (heat expected-heat actually produced) Heat capacity of the calorimeter (J/C) (heat absorbed per degree of temperature change) (0.5pts) Average heat capacity of the calorimeter (J/C) 2.00 min 33.8 32.9 2.25 min 32.7 0.0 2.50 min 0.0 0.0 2.75 min 0.0 0.0 3.00 min 0.0 0.0 3.25 min 0.0 0.0 3.50 min 0.0 0.0 3.75 min 0.0 0.0 0.0 0.0 4.00 min Maximum temperature (C) (To be used in calculations) 34.4 34.6 Part B Data Time-temperatue data for Part B Run 2 Run 1 0.3496 0.3388 Mass of weighing paper (g) 0.8512 0.8268 Mass of weighing paper and Mg (g) 2.054 2.054 Molarity of HCl solution (M) 50.4 50.5 Volume of HCl solution (mL) 50.0 49.8 Volume of water added to HCl solution (mL) Initial temperature of HCl solution (C) 20.9 21.4 Temperature of solution every 0.25 min/15 sec (C) 0.25 min 23.2 23.6 0.50 min 25.2 25.6 0.75 min 27.3 28.1 1.00 min 29.8 29.9 1.25 min 31.7 32.3 1.50 min 34.0 34.6 1.75 min 36.4 36.7 38.1 38.6 2.00 min 40.3 41.0 2.25 min 42.7 43.1 2.50 min 42.7 43.1 2.75 min 42.2 41.8 3.00 min 40.9 40.6 3.25 min 0.0 38.4 3.50 min 0.0 0.0 3.75 min 0.0 0.0 4.00 min (10.5pts) Part A: Determining the Heat Capacity of the Calorimeter Complete the table below. It may be helpful to refer to the pre-lab questions and sample calculations in the lab manual. Table view List view Part A: Heat capacity calculations Run 1 Run 2 Initial temperature of HCl solution (C) 20.9 21.4 Initial temperature of NaOH solution (C) 21.2 21.0 Average initial temperature of HCI- NaOH solution (C) 21.1 21.2 Maximum temperature of HCl-NaOH solution (C) 34.4 34.6 Maximum temperature change for reaction (C) 13.3 13.4 52.0 51.0 Volume of HCl solution (mL) 55.8 54.6 Volume of NaOH solution (mL) Total Volume of HCl plus NaOH solutions (mL) 107.8 105.6 Mass of final NaCl solution (g) assume 1 M NaCl has a density of 1.04 g/mL 112.11 109.82 Part A Data Time-temperatue data for Part A Run 1 Run 2 Molarity of HCl solution (M) 2.054 2.054 Volume of HCl solution (ml) 52.0 51.0 Molarity of NaOH solution (M) 2.035 2.035 Volume of NaOH solution (mL) 55.8 54.6 Initial temperature of HCl solution (C) 20.9 21.4 Initial temperature of NaOH solution (C) 21.2 21.0 Temperature of solution every 0.25 min/15 sec (C) 0.25 min 23.9 23.9 0.50 min 26.6 26.8 0.75 min 29.0 29.5 1.00 min 31.7 32.2 1.25 min 34.4 34.6 1.50 min 34.4 34.6 1.75 min 34.1 33.9 assume the heat capacity of 1 M NaCl is 3.93 J/g C) 5859.88 5783.34 Molarity of HCl solution (M) 2.054 2.054 Moles of H20 formed in reaction (mol) Heat expected from moles of H20 formed (J) assume 57,320 J per mole of H20 Heat absorbed by calorimeter (J) (heat expected-heat actually produced) Heat capacity of the calorimeter (J/C) (heat absorbed per degree of temperature change) (0.5pts) Average heat capacity of the calorimeter (J/C)