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Heat produced from HCl-NaOH reaction (J) assume the heat capacity of 1 M NaCl is 3.93 5681.94 5662.20 J/(g•*C) Molarity of HCI 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) Average heat capacity of the calorimeter (J/*C)

Heat produced from HCl-NaOH reaction (J) assume the heat capacity of 1 M NaCl is 3.93 5681.94 5662.20 J/(g•*C) Molarity of HCI 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) Average heat capacity of the calorimeter (J/*C)

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Chapter6: Thermochemistry
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Problem 68E: In a coffee-cup calorimeter, 1.60 g NH4NO3 is mixed with 75.0 g water at an initial temperature of...
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Heat produced from HCI-NaOH reaction (J) assume the heat capacity of 1 M Nacl is 3.93 J/(9•°C) 5681.94 5662.20 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) Average heat capacity of the calorimeter (J/°C)
Transcribed Image Text:Heat produced from HCI-NaOH reaction (J) assume the heat capacity of 1 M Nacl is 3.93 J/(9•°C) 5681.94 5662.20 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) Average heat capacity of the calorimeter (J/°C)
Part A: Heat capacity calculations Run 1 Run 2 Initial temperature of HCl solution (°C) 20.2 20.9 Initial temperature of NaOH solution (°C) 21.1 20.4 Average initial temperature of HCI-NaOH solution (°C) 20.65 20.65 Maximum temperature of HCI-NAOH solution (°C) 34.2 34.1 Maximum temperature change for reaction (°C) 13.55 13.45 Volume of HCl solution (mL) 49.6 49.6 Volume of NaOH solution (mL) 53.0 53.4 Total Volume of HCI plus NaOH solutions (mL) 102.6 103.0 Mass of final NaCI solution (g) 106.70 107.12 assume 1 M NaCI has a density of 1.04 g/mL Heat produced from HCl-N2OH reaction (J) assume the heat capacity of 1 M Nacl is 3.93 J/(g•*C) 5681.94 5662.20
Transcribed Image Text:Part A: Heat capacity calculations Run 1 Run 2 Initial temperature of HCl solution (°C) 20.2 20.9 Initial temperature of NaOH solution (°C) 21.1 20.4 Average initial temperature of HCI-NaOH solution (°C) 20.65 20.65 Maximum temperature of HCI-NAOH solution (°C) 34.2 34.1 Maximum temperature change for reaction (°C) 13.55 13.45 Volume of HCl solution (mL) 49.6 49.6 Volume of NaOH solution (mL) 53.0 53.4 Total Volume of HCI plus NaOH solutions (mL) 102.6 103.0 Mass of final NaCI solution (g) 106.70 107.12 assume 1 M NaCI has a density of 1.04 g/mL Heat produced from HCl-N2OH reaction (J) assume the heat capacity of 1 M Nacl is 3.93 J/(g•*C) 5681.94 5662.20
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